PORTUGAL -- SPOT EXCHANGE RATE, ESCUDOS/US$ ------------------------------------------- 2-Jan-73 26.9500 3-Jan-73 26.8100 4-Jan-73 26.8100 5-Jan-73 26.8300 8-Jan-73 26.8100 9-Jan-73 26.8300 10-Jan-73 26.8100 11-Jan-73 26.8100 12-Jan-73 26.8100 15-Jan-73 26.8100 16-Jan-73 26.8800 17-Jan-73 26.8800 18-Jan-73 26.8100 19-Jan-73 26.8500 22-Jan-73 26.8100 23-Jan-73 26.8100 24-Jan-73 26.8100 25-Jan-73 26.8100 26-Jan-73 26.8100 29-Jan-73 26.8100 30-Jan-73 26.8100 31-Jan-73 26.7700 1-Feb-73 26.6700 2-Feb-73 26.6000 5-Feb-73 26.6000 6-Feb-73 26.6700 7-Feb-73 26.6700 8-Feb-73 26.6000 9-Feb-73 26.7400 12-Feb-73 ND 13-Feb-73 ND 14-Feb-73 ND 15-Feb-73 25.6400 16-Feb-73 25.5100 19-Feb-73 ND 20-Feb-73 25.5100 21-Feb-73 25.3800 22-Feb-73 25.4500 23-Feb-73 25.1900 26-Feb-73 25.1900 27-Feb-73 25.3800 28-Feb-73 25.3800 1-Mar-73 25.3200 2-Mar-73 ND 5-Mar-73 25.2500 6-Mar-73 24.3900 7-Mar-73 24.0400 8-Mar-73 24.0400 9-Mar-73 24.2700 12-Mar-73 23.2600 13-Mar-73 23.5300 14-Mar-73 23.5300 15-Mar-73 23.4200 16-Mar-73 23.4200 19-Mar-73 23.4200 20-Mar-73 23.5300 21-Mar-73 25.2500 22-Mar-73 25.2500 23-Mar-73 25.1900 26-Mar-73 25.0000 27-Mar-73 25.1300 28-Mar-73 25.1300 29-Mar-73 25.1300 30-Mar-73 25.1900 2-Apr-73 25.1900 3-Apr-73 25.3200 4-Apr-73 25.2500 5-Apr-73 25.3200 6-Apr-73 25.2500 9-Apr-73 25.2800 10-Apr-73 25.2800 11-Apr-73 25.2800 12-Apr-73 25.2500 13-Apr-73 25.2500 16-Apr-73 25.2500 17-Apr-73 25.2500 18-Apr-73 25.2500 19-Apr-73 25.2500 20-Apr-73 25.2500 23-Apr-73 25.2500 24-Apr-73 25.2500 25-Apr-73 25.3200 26-Apr-73 25.3800 27-Apr-73 25.3300 30-Apr-73 25.3200 1-May-73 25.3200 2-May-73 25.3800 3-May-73 25.3500 4-May-73 25.3500 7-May-73 25.3500 8-May-73 25.3800 9-May-73 25.3800 10-May-73 25.3200 11-May-73 25.2800 14-May-73 25.1300 15-May-73 24.8100 16-May-73 24.9400 17-May-73 24.8800 18-May-73 24.8100 21-May-73 24.5700 22-May-73 24.5700 23-May-73 24.5700 24-May-73 24.6300 25-May-73 24.6900 28-May-73 ND 29-May-73 24.8100 30-May-73 24.4500 31-May-73 24.4500 1-Jun-73 24.3000 4-Jun-73 24.3300 5-Jun-73 23.9800 6-Jun-73 23.7500 7-Jun-73 23.6400 8-Jun-73 23.6400 11-Jun-73 23.8100 12-Jun-73 23.8100 13-Jun-73 23.7000 14-Jun-73 23.8100 15-Jun-73 23.8100 18-Jun-73 23.5300 19-Jun-73 23.6400 20-Jun-73 23.7000 21-Jun-73 23.6400 22-Jun-73 23.5300 25-Jun-73 23.4700 26-Jun-73 23.4500 27-Jun-73 23.4200 28-Jun-73 23.3100 29-Jun-73 ND 2-Jul-73 22.9900 3-Jul-73 22.9900 4-Jul-73 ND 5-Jul-73 22.4200 6-Jul-73 22.1700 9-Jul-73 22.1200 10-Jul-73 22.0300 11-Jul-73 23.1500 12-Jul-73 22.7300 13-Jul-73 22.6200 16-Jul-73 22.6200 17-Jul-73 22.3200 18-Jul-73 22.5200 19-Jul-73 22.1200 20-Jul-73 22.3700 23-Jul-73 22.2700 24-Jul-73 22.2200 25-Jul-73 22.3200 26-Jul-73 21.9800 27-Jul-73 22.1200 30-Jul-73 22.1200 31-Jul-73 22.4700 1-Aug-73 22.0800 2-Aug-73 22.6200 3-Aug-73 22.5200 6-Aug-73 22.6200 7-Aug-73 22.7300 8-Aug-73 22.7300 9-Aug-73 22.8300 10-Aug-73 23.0400 13-Aug-73 22.8800 14-Aug-73 23.0400 15-Aug-73 23.3600 16-Aug-73 23.7500 17-Aug-73 23.5300 20-Aug-73 23.4700 21-Aug-73 23.3100 22-Aug-73 23.5300 23-Aug-73 23.3100 24-Aug-73 23.4200 27-Aug-73 23.2600 28-Aug-73 23.5800 29-Aug-73 23.4200 30-Aug-73 23.4700 31-Aug-73 23.5300 3-Sep-73 ND 4-Sep-73 23.4700 5-Sep-73 23.3100 6-Sep-73 23.4200 7-Sep-73 23.3100 10-Sep-73 23.3100 11-Sep-73 23.4700 12-Sep-73 23.4700 13-Sep-73 23.4700 14-Sep-73 23.4700 17-Sep-73 23.4200 18-Sep-73 23.3600 19-Sep-73 23.4200 20-Sep-73 23.0900 21-Sep-73 23.1500 24-Sep-73 23.3100 25-Sep-73 23.4200 26-Sep-73 23.3600 27-Sep-73 23.4200 28-Sep-73 23.4200 1-Oct-73 23.4200 2-Oct-73 23.3600 3-Oct-73 23.4200 4-Oct-73 23.4200 5-Oct-73 23.4200 8-Oct-73 ND 9-Oct-73 23.3100 10-Oct-73 23.3100 11-Oct-73 23.2000 12-Oct-73 23.2000 15-Oct-73 23.2600 16-Oct-73 23.2000 17-Oct-73 23.1500 18-Oct-73 23.0400 19-Oct-73 23.0900 22-Oct-73 ND 23-Oct-73 23.0400 24-Oct-73 23.0400 25-Oct-73 23.0400 26-Oct-73 23.0900 29-Oct-73 23.2600 30-Oct-73 23.5300 31-Oct-73 23.4200 1-Nov-73 23.3100 2-Nov-73 23.3600 5-Nov-73 23.4200 6-Nov-73 ND 7-Nov-73 23.9800 8-Nov-73 23.9800 9-Nov-73 24.0400 12-Nov-73 24.5100 13-Nov-73 24.8100 14-Nov-73 24.6900 15-Nov-73 24.5100 16-Nov-73 24.3900 19-Nov-73 24.1000 20-Nov-73 24.2700 21-Nov-73 23.4700 22-Nov-73 ND 23-Nov-73 24.8800 26-Nov-73 24.9400 27-Nov-73 24.8800 28-Nov-73 24.7500 29-Nov-73 25.0000 30-Nov-73 24.9400 3-Dec-73 25.0000 4-Dec-73 25.0000 5-Dec-73 25.1300 6-Dec-73 25.1300 7-Dec-73 25.1300 10-Dec-73 25.1300 11-Dec-73 25.2500 12-Dec-73 25.1300 13-Dec-73 25.2500 14-Dec-73 25.3200 17-Dec-73 25.3200 18-Dec-73 25.4500 19-Dec-73 25.3800 20-Dec-73 25.4500 21-Dec-73 25.4500 24-Dec-73 ND 25-Dec-73 ND 26-Dec-73 ND 27-Dec-73 25.7100 28-Dec-73 25.7700 31-Dec-73 25.7700 1-Jan-74 ND 2-Jan-74 25.9700 3-Jan-74 26.4600 4-Jan-74 26.3900 7-Jan-74 26.7400 8-Jan-74 27.4000 9-Jan-74 26.6000 10-Jan-74 26.8100 11-Jan-74 25.7700 14-Jan-74 26.7400 15-Jan-74 27.0300 16-Jan-74 27.1700 17-Jan-74 27.0300 18-Jan-74 27.0300 21-Jan-74 28.0100 22-Jan-74 27.3200 23-Jan-74 27.1700 24-Jan-74 27.3200 25-Jan-74 27.1700 28-Jan-74 26.8800 29-Jan-74 27.0300 30-Jan-74 26.8800 31-Jan-74 26.7400 1-Feb-74 26.5300 4-Feb-74 26.3900 5-Feb-74 26.3200 6-Feb-74 26.3900 7-Feb-74 26.3900 8-Feb-74 26.3200 11-Feb-74 26.3200 12-Feb-74 ND 13-Feb-74 26.1800 14-Feb-74 26.1100 15-Feb-74 26.0400 18-Feb-74 ND 19-Feb-74 25.7100 20-Feb-74 25.5800 21-Feb-74 25.6400 22-Feb-74 25.3200 25-Feb-74 25.3800 26-Feb-74 25.4500 27-Feb-74 25.3800 28-Feb-74 25.4500 1-Mar-74 25.7100 4-Mar-74 25.5800 5-Mar-74 25.5800 6-Mar-74 25.5800 7-Mar-74 25.5100 8-Mar-74 25.5100 11-Mar-74 25.4500 12-Mar-74 25.3800 13-Mar-74 25.4500 14-Mar-74 25.5100 15-Mar-74 25.5100 18-Mar-74 25.4500 19-Mar-74 25.5100 20-Mar-74 25.4500 21-Mar-74 25.0000 22-Mar-74 25.0600 25-Mar-74 25.0000 26-Mar-74 24.8800 27-Mar-74 24.8800 28-Mar-74 24.8100 29-Mar-74 24.6900 1-Apr-74 24.8100 2-Apr-74 24.8100 3-Apr-74 25.0000 4-Apr-74 24.9400 5-Apr-74 24.9400 8-Apr-74 25.0000 9-Apr-74 25.1300 10-Apr-74 25.3200 11-Apr-74 25.3200 12-Apr-74 25.3200 15-Apr-74 25.3200 16-Apr-74 25.3200 17-Apr-74 25.1300 18-Apr-74 25.1300 19-Apr-74 24.8800 22-Apr-74 25.0000 23-Apr-74 24.8100 24-Apr-74 24.7500 25-Apr-74 24.6300 26-Apr-74 24.5100 29-Apr-74 23.9800 30-Apr-74 23.0400 1-May-74 24.5100 2-May-74 23.5300 3-May-74 24.3900 6-May-74 24.4500 7-May-74 24.3900 8-May-74 24.3900 9-May-74 24.2100 10-May-74 24.1500 13-May-74 23.9200 14-May-74 23.8700 15-May-74 24.1000 16-May-74 24.3300 17-May-74 24.3900 20-May-74 24.3300 21-May-74 24.5700 22-May-74 24.5100 23-May-74 24.5100 24-May-74 24.4500 27-May-74 ND 28-May-74 24.6300 29-May-74 24.8100 30-May-74 24.9400 31-May-74 24.8100 3-Jun-74 24.7500 4-Jun-74 24.7500 5-Jun-74 24.7500 6-Jun-74 24.8100 7-Jun-74 24.6900 10-Jun-74 24.7500 11-Jun-74 24.5700 12-Jun-74 24.9400 13-Jun-74 24.9400 14-Jun-74 24.8100 17-Jun-74 24.8800 18-Jun-74 24.9400 19-Jun-74 24.9400 20-Jun-74 24.9400 21-Jun-74 24.9400 24-Jun-74 25.0000 25-Jun-74 25.3200 26-Jun-74 25.0600 27-Jun-74 25.1300 28-Jun-74 25.1300 1-Jul-74 25.1300 2-Jul-74 25.1300 3-Jul-74 25.0000 4-Jul-74 ND 5-Jul-74 25.1300 8-Jul-74 25.0000 9-Jul-74 25.1300 10-Jul-74 25.1900 11-Jul-74 25.1300 12-Jul-74 25.2500 15-Jul-74 25.1300 16-Jul-74 25.0000 17-Jul-74 25.0600 18-Jul-74 25.1300 19-Jul-74 25.0600 22-Jul-74 25.0600 23-Jul-74 25.0000 24-Jul-74 24.9400 25-Jul-74 24.8800 26-Jul-74 24.8800 29-Jul-74 25.0600 30-Jul-74 25.0600 31-Jul-74 25.2500 1-Aug-74 25.1300 2-Aug-74 25.1300 5-Aug-74 25.1300 6-Aug-74 25.0000 7-Aug-74 25.1300 8-Aug-74 25.3800 9-Aug-74 25.1900 12-Aug-74 25.1300 13-Aug-74 25.4500 14-Aug-74 25.3800 15-Aug-74 25.3800 16-Aug-74 25.5100 19-Aug-74 25.7100 20-Aug-74 25.5800 21-Aug-74 25.5800 22-Aug-74 25.5800 23-Aug-74 25.9100 26-Aug-74 25.6400 27-Aug-74 25.7100 28-Aug-74 25.9700 29-Aug-74 25.7700 30-Aug-74 25.8400 2-Sep-74 ND 3-Sep-74 25.9100 4-Sep-74 25.9100 5-Sep-74 25.9700 6-Sep-74 26.3200 9-Sep-74 25.9700 10-Sep-74 25.9100 11-Sep-74 25.9100 12-Sep-74 25.9100 13-Sep-74 25.9100 16-Sep-74 25.9700 17-Sep-74 25.9100 18-Sep-74 25.9700 19-Sep-74 25.9100 20-Sep-74 25.9100 23-Sep-74 25.9700 24-Sep-74 25.7700 25-Sep-74 25.9100 26-Sep-74 25.8400 27-Sep-74 25.8400 30-Sep-74 25.9100 1-Oct-74 25.7700 2-Oct-74 25.7700 3-Oct-74 25.9100 4-Oct-74 25.6400 7-Oct-74 25.6400 8-Oct-74 25.5100 9-Oct-74 25.4500 10-Oct-74 25.3800 11-Oct-74 25.5800 14-Oct-74 ND 15-Oct-74 25.3800 16-Oct-74 25.4500 17-Oct-74 25.3800 18-Oct-74 25.4500 21-Oct-74 25.4500 22-Oct-74 25.5100 23-Oct-74 25.3800 24-Oct-74 25.3800 25-Oct-74 25.2500 28-Oct-74 25.3200 29-Oct-74 25.3200 30-Oct-74 25.3200 31-Oct-74 25.3800 1-Nov-74 25.3200 4-Nov-74 25.2500 5-Nov-74 ND 6-Nov-74 25.2500 7-Nov-74 25.1900 8-Nov-74 25.3200 11-Nov-74 ND 12-Nov-74 25.1900 13-Nov-74 25.3800 14-Nov-74 25.2500 15-Nov-74 25.0000 18-Nov-74 24.8100 19-Nov-74 24.8100 20-Nov-74 24.9400 21-Nov-74 25.1300 22-Nov-74 25.0000 25-Nov-74 24.9400 26-Nov-74 24.7500 27-Nov-74 24.7500 28-Nov-74 ND 29-Nov-74 24.7500 2-Dec-74 24.8800 3-Dec-74 25.0000 4-Dec-74 24.8100 5-Dec-74 24.8100 6-Dec-74 24.8100 9-Dec-74 24.6900 10-Dec-74 24.7500 11-Dec-74 24.6900 12-Dec-74 24.6900 13-Dec-74 24.7500 16-Dec-74 24.7500 17-Dec-74 24.6900 18-Dec-74 24.6300 19-Dec-74 24.8100 20-Dec-74 24.8100 23-Dec-74 24.8100 24-Dec-74 24.8100 25-Dec-74 ND 26-Dec-74 24.8100 27-Dec-74 24.6900 30-Dec-74 24.5100 31-Dec-74 24.5700 1-Jan-75 ND 2-Jan-75 24.6900 3-Jan-75 24.5700 6-Jan-75 24.6300 7-Jan-75 24.5100 8-Jan-75 24.5100 9-Jan-75 24.5700 10-Jan-75 24.5100 13-Jan-75 24.5700 14-Jan-75 24.6900 15-Jan-75 24.6900 16-Jan-75 24.6300 17-Jan-75 24.5700 20-Jan-75 24.5700 21-Jan-75 24.5700 22-Jan-75 24.3900 23-Jan-75 24.3900 24-Jan-75 24.2700 27-Jan-75 24.1500 28-Jan-75 24.0400 29-Jan-75 24.3900 30-Jan-75 24.2700 31-Jan-75 24.3300 3-Feb-75 24.2700 4-Feb-75 24.6300 5-Feb-75 24.6300 6-Feb-75 24.7500 7-Feb-75 24.7500 10-Feb-75 24.5100 11-Feb-75 24.4500 12-Feb-75 ND 13-Feb-75 24.4500 14-Feb-75 24.2700 17-Feb-75 ND 18-Feb-75 24.2700 19-Feb-75 24.2700 20-Feb-75 24.2700 21-Feb-75 24.1500 24-Feb-75 24.1500 25-Feb-75 23.9800 26-Feb-75 24.0400 27-Feb-75 23.8700 28-Feb-75 23.8700 3-Mar-75 24.8100 4-Mar-75 23.8100 5-Mar-75 24.0400 6-Mar-75 23.9800 7-Mar-75 24.1000 10-Mar-75 24.3900 11-Mar-75 24.3900 12-Mar-75 24.1500 13-Mar-75 24.2100 14-Mar-75 24.2100 17-Mar-75 24.1500 18-Mar-75 24.2100 19-Mar-75 24.2100 20-Mar-75 24.2100 21-Mar-75 24.2100 24-Mar-75 24.2100 25-Mar-75 24.3300 26-Mar-75 24.3300 27-Mar-75 24.2700 28-Mar-75 24.2700 31-Mar-75 24.2700 1-Apr-75 24.3900 2-Apr-75 24.3300 3-Apr-75 24.3300 4-Apr-75 24.5100 7-Apr-75 24.5700 8-Apr-75 24.5700 9-Apr-75 24.5100 10-Apr-75 24.6300 11-Apr-75 24.6900 14-Apr-75 24.8100 15-Apr-75 24.8100 16-Apr-75 24.8100 17-Apr-75 24.8100 18-Apr-75 24.7500 21-Apr-75 24.6900 22-Apr-75 24.6300 23-Apr-75 24.6300 24-Apr-75 24.5700 25-Apr-75 24.6900 28-Apr-75 24.8800 29-Apr-75 24.7500 30-Apr-75 24.5700 1-May-75 24.5700 2-May-75 24.6300 5-May-75 24.6900 6-May-75 24.6300 7-May-75 24.5700 8-May-75 24.5100 9-May-75 24.3900 12-May-75 24.5100 13-May-75 24.3300 14-May-75 24.2700 15-May-75 24.3900 16-May-75 24.4500 19-May-75 24.3900 20-May-75 24.4500 21-May-75 24.4500 22-May-75 24.2700 23-May-75 24.3300 26-May-75 ND 27-May-75 24.3300 28-May-75 24.2100 29-May-75 24.2700 30-May-75 24.3900 2-Jun-75 24.3900 3-Jun-75 24.3900 4-Jun-75 24.3900 5-Jun-75 24.3300 6-Jun-75 24.2700 9-Jun-75 24.3900 10-Jun-75 24.3300 11-Jun-75 24.2700 12-Jun-75 24.2700 13-Jun-75 24.2100 16-Jun-75 24.2100 17-Jun-75 24.2100 18-Jun-75 24.1500 19-Jun-75 24.3300 20-Jun-75 24.3300 23-Jun-75 24.3300 24-Jun-75 24.1500 25-Jun-75 24.3900 26-Jun-75 24.3900 27-Jun-75 24.4500 30-Jun-75 24.4500 1-Jul-75 24.5700 2-Jul-75 24.6900 3-Jul-75 24.8100 4-Jul-75 ND 7-Jul-75 24.9400 8-Jul-75 24.8800 9-Jul-75 24.8800 10-Jul-75 25.1300 11-Jul-75 25.1300 14-Jul-75 25.3800 15-Jul-75 25.1900 16-Jul-75 25.5100 17-Jul-75 25.5100 18-Jul-75 25.6400 21-Jul-75 25.8400 22-Jul-75 25.7700 23-Jul-75 26.0400 24-Jul-75 26.0400 25-Jul-75 26.0400 28-Jul-75 25.9700 29-Jul-75 26.3900 30-Jul-75 26.3200 31-Jul-75 26.4600 1-Aug-75 26.5300 4-Aug-75 26.6000 5-Aug-75 26.3200 6-Aug-75 26.3200 7-Aug-75 26.5300 8-Aug-75 26.5300 11-Aug-75 26.6700 12-Aug-75 26.6000 13-Aug-75 26.6000 14-Aug-75 26.6000 15-Aug-75 26.5300 18-Aug-75 26.5300 19-Aug-75 26.4600 20-Aug-75 26.3900 21-Aug-75 26.4600 22-Aug-75 26.4600 25-Aug-75 26.5300 26-Aug-75 26.6000 27-Aug-75 26.6700 28-Aug-75 26.6000 29-Aug-75 26.6000 1-Sep-75 ND 2-Sep-75 26.6700 3-Sep-75 26.6000 4-Sep-75 26.6700 5-Sep-75 26.6000 8-Sep-75 26.6000 9-Sep-75 26.6000 10-Sep-75 26.6700 11-Sep-75 26.7400 12-Sep-75 26.7400 15-Sep-75 26.8100 16-Sep-75 26.8100 17-Sep-75 27.1700 18-Sep-75 27.1000 19-Sep-75 27.1000 22-Sep-75 27.2500 23-Sep-75 27.5500 24-Sep-75 27.4700 25-Sep-75 27.4700 26-Sep-75 27.3200 29-Sep-75 27.5500 30-Sep-75 27.4700 1-Oct-75 27.4000 2-Oct-75 27.3200 3-Oct-75 27.1700 6-Oct-75 27.1700 7-Oct-75 27.0300 8-Oct-75 27.0300 9-Oct-75 26.9500 10-Oct-75 26.7400 13-Oct-75 ND 14-Oct-75 26.7400 15-Oct-75 26.7400 16-Oct-75 26.6000 17-Oct-75 26.6700 20-Oct-75 26.6000 21-Oct-75 26.6000 22-Oct-75 26.4600 23-Oct-75 26.5300 24-Oct-75 26.5300 27-Oct-75 26.4600 28-Oct-75 26.6000 29-Oct-75 26.6700 30-Oct-75 26.4600 31-Oct-75 26.5300 3-Nov-75 26.5300 4-Nov-75 ND 5-Nov-75 26.6000 6-Nov-75 26.6700 7-Nov-75 26.6700 10-Nov-75 26.6000 11-Nov-75 ND 12-Nov-75 26.6700 13-Nov-75 26.6700 14-Nov-75 26.8800 17-Nov-75 26.8100 18-Nov-75 26.9500 19-Nov-75 26.9500 20-Nov-75 26.8100 21-Nov-75 26.8100 24-Nov-75 26.8800 25-Nov-75 26.8800 26-Nov-75 27.0300 27-Nov-75 ND 28-Nov-75 27.1700 1-Dec-75 27.1700 2-Dec-75 27.0300 3-Dec-75 27.0300 4-Dec-75 26.9500 5-Dec-75 26.9500 8-Dec-75 27.0300 9-Dec-75 27.0300 10-Dec-75 27.0300 11-Dec-75 27.1700 12-Dec-75 27.1000 15-Dec-75 27.1700 16-Dec-75 27.1700 17-Dec-75 27.2500 18-Dec-75 27.1700 19-Dec-75 27.2500 22-Dec-75 27.1700 23-Dec-75 27.2500 24-Dec-75 27.2500 25-Dec-75 ND 26-Dec-75 27.2500 29-Dec-75 27.2500 30-Dec-75 27.3200 31-Dec-75 27.2500 1-Jan-76 ND 2-Jan-76 27.4000 5-Jan-76 27.3200 6-Jan-76 27.1700 7-Jan-76 27.1700 8-Jan-76 27.1700 9-Jan-76 27.2500 12-Jan-76 27.2500 13-Jan-76 27.7800 14-Jan-76 27.3200 15-Jan-76 27.3200 16-Jan-76 27.3200 19-Jan-76 27.3200 20-Jan-76 27.3200 21-Jan-76 27.4700 22-Jan-76 27.5500 23-Jan-76 27.4700 26-Jan-76 27.4000 27-Jan-76 27.3200 28-Jan-76 27.3200 29-Jan-76 27.4000 30-Jan-76 27.3200 2-Feb-76 27.4000 3-Feb-76 27.3200 4-Feb-76 27.3200 5-Feb-76 27.3200 6-Feb-76 27.3200 9-Feb-76 27.2500 10-Feb-76 27.3200 11-Feb-76 27.2500 12-Feb-76 ND 13-Feb-76 27.2500 16-Feb-76 ND 17-Feb-76 27.6200 18-Feb-76 27.5500 19-Feb-76 27.4700 20-Feb-76 27.5500 23-Feb-76 27.7000 24-Feb-76 27.6200 25-Feb-76 27.7000 26-Feb-76 27.8600 27-Feb-76 27.7800 1-Mar-76 27.8600 2-Mar-76 28.1700 3-Mar-76 28.0900 4-Mar-76 28.0100 5-Mar-76 26.5300 8-Mar-76 28.2500 9-Mar-76 28.1700 10-Mar-76 28.1700 11-Mar-76 28.3300 12-Mar-76 28.4100 15-Mar-76 28.5700 16-Mar-76 28.5700 17-Mar-76 28.7400 18-Mar-76 28.9900 19-Mar-76 28.9900 22-Mar-76 28.9900 23-Mar-76 29.2400 24-Mar-76 29.3300 25-Mar-76 29.2400 26-Mar-76 29.2400 29-Mar-76 29.2400 30-Mar-76 29.3300 31-Mar-76 29.3300 1-Apr-76 29.3300 2-Apr-76 29.3300 5-Apr-76 29.5000 6-Apr-76 29.5900 7-Apr-76 29.5000 8-Apr-76 29.5900 9-Apr-76 29.5000 12-Apr-76 29.5900 13-Apr-76 29.7600 14-Apr-76 29.6700 15-Apr-76 29.5900 16-Apr-76 29.6700 19-Apr-76 29.5000 20-Apr-76 29.6700 21-Apr-76 29.6700 22-Apr-76 29.6700 23-Apr-76 29.7600 26-Apr-76 29.7600 27-Apr-76 29.7600 28-Apr-76 29.7600 29-Apr-76 29.7600 30-Apr-76 29.7600 3-May-76 29.7600 4-May-76 29.6700 5-May-76 29.8500 6-May-76 29.8500 7-May-76 29.8500 10-May-76 29.8500 11-May-76 29.8500 12-May-76 29.8500 13-May-76 29.9400 14-May-76 30.0300 17-May-76 30.0300 18-May-76 30.4000 19-May-76 30.3000 20-May-76 30.3000 21-May-76 30.4900 24-May-76 30.4900 25-May-76 30.4000 26-May-76 30.4900 27-May-76 30.5800 28-May-76 30.5800 31-May-76 ND 1-Jun-76 30.7700 2-Jun-76 30.8600 3-Jun-76 30.8600 4-Jun-76 30.8600 7-Jun-76 30.9600 8-Jun-76 30.9600 9-Jun-76 30.9600 10-Jun-76 30.9600 11-Jun-76 30.9600 14-Jun-76 30.9600 15-Jun-76 30.9600 16-Jun-76 30.9600 17-Jun-76 30.9600 18-Jun-76 31.1500 21-Jun-76 31.1500 22-Jun-76 31.2500 23-Jun-76 31.2500 24-Jun-76 31.6500 25-Jun-76 31.4500 28-Jun-76 31.4500 29-Jun-76 31.5500 30-Jun-76 31.5500 1-Jul-76 31.5500 2-Jul-76 31.4500 5-Jul-76 ND 6-Jul-76 31.4500 7-Jul-76 31.4500 8-Jul-76 31.4500 9-Jul-76 31.4500 12-Jul-76 31.3500 13-Jul-76 31.4500 14-Jul-76 31.4500 15-Jul-76 31.3500 16-Jul-76 31.4500 19-Jul-76 31.4500 20-Jul-76 31.4500 21-Jul-76 31.4500 22-Jul-76 31.4500 23-Jul-76 31.3500 26-Jul-76 31.4500 27-Jul-76 31.4500 28-Jul-76 31.5500 29-Jul-76 31.4500 30-Jul-76 31.3500 2-Aug-76 31.2500 3-Aug-76 31.2500 4-Aug-76 31.2500 5-Aug-76 31.1500 6-Aug-76 31.2500 9-Aug-76 31.3500 10-Aug-76 31.2500 11-Aug-76 31.3500 12-Aug-76 31.3500 13-Aug-76 31.2500 16-Aug-76 31.3500 17-Aug-76 31.4500 18-Aug-76 31.1500 19-Aug-76 31.1500 20-Aug-76 31.1500 23-Aug-76 31.4500 24-Aug-76 31.4500 25-Aug-76 31.2500 26-Aug-76 31.1500 27-Aug-76 31.3500 30-Aug-76 31.1500 31-Aug-76 31.1500 1-Sep-76 31.1500 2-Sep-76 31.1500 3-Sep-76 31.1500 6-Sep-76 ND 7-Sep-76 31.2500 8-Sep-76 31.2500 9-Sep-76 31.2500 10-Sep-76 31.2500 13-Sep-76 31.1500 14-Sep-76 31.1500 15-Sep-76 31.1500 16-Sep-76 31.1500 17-Sep-76 31.0600 20-Sep-76 31.0600 21-Sep-76 31.1500 22-Sep-76 31.1500 23-Sep-76 31.1500 24-Sep-76 31.2500 27-Sep-76 31.2500 28-Sep-76 31.2500 29-Sep-76 31.3500 30-Sep-76 31.2500 1-Oct-76 31.1500 4-Oct-76 31.2500 5-Oct-76 31.2500 6-Oct-76 31.1500 7-Oct-76 31.1500 8-Oct-76 31.2500 11-Oct-76 ND 12-Oct-76 31.2500 13-Oct-76 31.3500 14-Oct-76 31.2500 15-Oct-76 31.3500 18-Oct-76 31.4500 19-Oct-76 31.4500 20-Oct-76 31.3500 21-Oct-76 31.4500 22-Oct-76 31.4500 25-Oct-76 31.2500 26-Oct-76 31.4500 27-Oct-76 31.4500 28-Oct-76 31.4500 29-Oct-76 31.4500 1-Nov-76 31.4500 2-Nov-76 ND 3-Nov-76 31.3500 4-Nov-76 31.4500 5-Nov-76 31.5500 8-Nov-76 31.4500 9-Nov-76 31.4500 10-Nov-76 31.4500 11-Nov-76 ND 12-Nov-76 31.5500 15-Nov-76 31.5500 16-Nov-76 31.4500 17-Nov-76 31.4500 18-Nov-76 31.4500 19-Nov-76 31.4500 22-Nov-76 31.5500 23-Nov-76 31.5500 24-Nov-76 31.5500 25-Nov-76 ND 26-Nov-76 31.5500 29-Nov-76 31.6500 30-Nov-76 31.7500 1-Dec-76 31.5500 2-Dec-76 31.6500 3-Dec-76 31.6500 6-Dec-76 31.6500 7-Dec-76 31.5500 8-Dec-76 31.5500 9-Dec-76 31.5500 10-Dec-76 31.6500 13-Dec-76 31.6500 14-Dec-76 31.6500 15-Dec-76 31.6500 16-Dec-76 31.6500 17-Dec-76 31.6500 20-Dec-76 31.5500 21-Dec-76 31.1500 22-Dec-76 31.4500 23-Dec-76 31.4500 24-Dec-76 31.5500 27-Dec-76 31.5500 28-Dec-76 31.5500 29-Dec-76 31.5500 30-Dec-76 31.5500 31-Dec-76 31.8500 3-Jan-77 31.4500 4-Jan-77 31.4500 5-Jan-77 31.4500 6-Jan-77 31.5500 7-Jan-77 31.6500 10-Jan-77 31.9500 11-Jan-77 31.9500 12-Jan-77 31.9500 13-Jan-77 31.9500 14-Jan-77 32.1500 17-Jan-77 32.1500 18-Jan-77 32.1500 19-Jan-77 32.2600 20-Jan-77 32.1500 21-Jan-77 32.1500 24-Jan-77 31.2500 25-Jan-77 32.4700 26-Jan-77 32.4700 27-Jan-77 32.3600 28-Jan-77 32.2600 31-Jan-77 32.3600 1-Feb-77 32.2600 2-Feb-77 32.3600 3-Feb-77 32.3600 4-Feb-77 32.3600 7-Feb-77 32.4700 8-Feb-77 32.3600 9-Feb-77 32.3600 10-Feb-77 32.4700 11-Feb-77 32.5700 14-Feb-77 32.4700 15-Feb-77 32.4700 16-Feb-77 32.4700 17-Feb-77 32.6800 18-Feb-77 32.5700 21-Feb-77 ND 22-Feb-77 32.8900 23-Feb-77 33.0000 24-Feb-77 33.0000 25-Feb-77 32.8900 28-Feb-77 ND 1-Mar-77 38.7600 2-Mar-77 38.9100 3-Mar-77 38.9100 4-Mar-77 38.7600 7-Mar-77 38.7600 8-Mar-77 38.9100 9-Mar-77 38.9100 10-Mar-77 38.7600 11-Mar-77 38.7600 14-Mar-77 38.7600 15-Mar-77 38.9100 16-Mar-77 38.7600 17-Mar-77 38.7600 18-Mar-77 38.7600 21-Mar-77 38.7600 22-Mar-77 38.7600 23-Mar-77 38.7600 24-Mar-77 38.7600 25-Mar-77 38.7600 28-Mar-77 38.7600 29-Mar-77 38.7600 30-Mar-77 38.7600 31-Mar-77 38.7600 1-Apr-77 38.7600 4-Apr-77 38.7600 5-Apr-77 38.9100 6-Apr-77 38.9100 7-Apr-77 38.9100 8-Apr-77 38.7600 11-Apr-77 38.7600 12-Apr-77 38.7600 13-Apr-77 38.7600 14-Apr-77 38.7600 15-Apr-77 38.9100 18-Apr-77 38.9100 19-Apr-77 38.9100 20-Apr-77 38.9100 21-Apr-77 38.9100 22-Apr-77 38.9100 25-Apr-77 38.7600 26-Apr-77 38.7600 27-Apr-77 38.7600 28-Apr-77 38.7600 29-Apr-77 38.9100 2-May-77 38.6100 3-May-77 38.6100 4-May-77 38.7600 5-May-77 38.6100 6-May-77 38.7600 9-May-77 38.7600 10-May-77 38.7600 11-May-77 38.7600 12-May-77 38.7600 13-May-77 38.7600 16-May-77 38.6800 17-May-77 38.7600 18-May-77 38.7200 19-May-77 38.7600 20-May-77 38.7600 23-May-77 38.7600 24-May-77 38.7600 25-May-77 38.7600 26-May-77 38.7600 27-May-77 38.7600 30-May-77 ND 31-May-77 38.7600 1-Jun-77 38.7600 2-Jun-77 38.7600 3-Jun-77 38.7600 6-Jun-77 38.7600 7-Jun-77 38.7600 8-Jun-77 38.7600 9-Jun-77 38.7600 10-Jun-77 38.7600 13-Jun-77 38.7600 14-Jun-77 38.7600 15-Jun-77 38.7600 16-Jun-77 38.6800 17-Jun-77 38.7600 20-Jun-77 38.7600 21-Jun-77 38.7600 22-Jun-77 38.7600 23-Jun-77 38.7600 24-Jun-77 38.7600 27-Jun-77 38.7600 28-Jun-77 38.7600 29-Jun-77 38.7600 30-Jun-77 38.7600 1-Jul-77 38.7600 4-Jul-77 ND 5-Jul-77 38.6100 6-Jul-77 38.6100 7-Jul-77 38.4600 8-Jul-77 38.4600 11-Jul-77 38.4600 12-Jul-77 38.4600 13-Jul-77 38.6100 14-Jul-77 ND 15-Jul-77 38.7600 18-Jul-77 38.6100 19-Jul-77 38.6100 20-Jul-77 38.4600 21-Jul-77 38.4600 22-Jul-77 38.4600 25-Jul-77 38.4600 26-Jul-77 38.3100 27-Jul-77 38.4600 28-Jul-77 38.4600 29-Jul-77 38.6100 1-Aug-77 38.6100 2-Aug-77 38.6100 3-Aug-77 38.5400 4-Aug-77 38.5400 5-Aug-77 38.6100 8-Aug-77 38.6800 9-Aug-77 38.9100 10-Aug-77 38.8000 11-Aug-77 38.9100 12-Aug-77 38.9100 15-Aug-77 38.7600 16-Aug-77 38.9100 17-Aug-77 38.8300 18-Aug-77 39.2200 19-Aug-77 39.0600 22-Aug-77 38.9100 23-Aug-77 38.9900 24-Aug-77 38.8000 25-Aug-77 38.7600 26-Aug-77 40.0000 29-Aug-77 39.0600 30-Aug-77 39.0600 31-Aug-77 40.3200 1-Sep-77 40.3200 2-Sep-77 40.3200 5-Sep-77 ND 6-Sep-77 40.8200 7-Sep-77 40.6500 8-Sep-77 40.8200 9-Sep-77 40.6900 12-Sep-77 40.6900 13-Sep-77 40.6100 14-Sep-77 40.6500 15-Sep-77 40.6500 16-Sep-77 40.4900 19-Sep-77 40.6100 20-Sep-77 40.4900 21-Sep-77 40.5700 22-Sep-77 40.6500 23-Sep-77 40.6500 26-Sep-77 40.6500 27-Sep-77 40.8200 28-Sep-77 40.7700 29-Sep-77 40.7700 30-Sep-77 40.7700 3-Oct-77 40.7700 4-Oct-77 40.6900 5-Oct-77 40.6500 6-Oct-77 40.6500 7-Oct-77 40.6500 10-Oct-77 ND 11-Oct-77 40.6500 12-Oct-77 40.6900 13-Oct-77 40.5700 14-Oct-77 40.6100 17-Oct-77 40.4900 18-Oct-77 40.4900 19-Oct-77 40.4900 20-Oct-77 40.6500 21-Oct-77 40.6900 24-Oct-77 40.5300 25-Oct-77 40.5700 26-Oct-77 40.6900 27-Oct-77 40.6900 28-Oct-77 40.8200 31-Oct-77 40.9400 1-Nov-77 40.6100 2-Nov-77 40.6500 3-Nov-77 40.6100 4-Nov-77 40.6900 7-Nov-77 40.6900 8-Nov-77 ND 9-Nov-77 40.6900 10-Nov-77 40.6900 11-Nov-77 ND 14-Nov-77 40.6500 15-Nov-77 40.7700 16-Nov-77 40.6900 17-Nov-77 40.7700 18-Nov-77 40.7700 21-Nov-77 40.6900 22-Nov-77 40.6900 23-Nov-77 40.6500 24-Nov-77 ND 25-Nov-77 40.6500 28-Nov-77 40.6900 29-Nov-77 40.6100 30-Nov-77 40.8600 1-Dec-77 40.6900 2-Dec-77 40.6500 5-Dec-77 40.6100 6-Dec-77 40.3200 7-Dec-77 40.6500 8-Dec-77 40.6500 9-Dec-77 40.7700 12-Dec-77 40.5700 13-Dec-77 40.4000 14-Dec-77 40.0000 15-Dec-77 40.3600 16-Dec-77 40.4900 19-Dec-77 40.3200 20-Dec-77 40.0000 21-Dec-77 40.0800 22-Dec-77 40.3200 23-Dec-77 40.4900 26-Dec-77 ND 27-Dec-77 40.4900 28-Dec-77 40.3200 29-Dec-77 40.0800 30-Dec-77 40.0800 2-Jan-78 ND 3-Jan-78 39.7200 4-Jan-78 39.2200 5-Jan-78 40.6500 6-Jan-78 40.4900 9-Jan-78 40.6100 10-Jan-78 40.4000 11-Jan-78 40.2000 12-Jan-78 40.1600 13-Jan-78 40.4900 16-Jan-78 40.4000 17-Jan-78 40.4400 18-Jan-78 40.6900 19-Jan-78 40.4000 20-Jan-78 40.3200 23-Jan-78 40.1600 24-Jan-78 40.1600 25-Jan-78 40.0400 26-Jan-78 40.1600 27-Jan-78 40.3200 30-Jan-78 40.2400 31-Jan-78 40.1600 1-Feb-78 40.0800 2-Feb-78 40.2000 3-Feb-78 40.7700 6-Feb-78 40.4400 7-Feb-78 40.3200 8-Feb-78 40.4000 9-Feb-78 40.4900 10-Feb-78 40.5300 13-Feb-78 ND 14-Feb-78 40.2800 15-Feb-78 40.4000 16-Feb-78 40.4000 17-Feb-78 40.2400 20-Feb-78 ND 21-Feb-78 40.2000 22-Feb-78 40.1200 23-Feb-78 40.0800 24-Feb-78 39.9200 27-Feb-78 40.4400 28-Feb-78 40.3200 1-Mar-78 40.0800 2-Mar-78 40.4000 3-Mar-78 40.6500 6-Mar-78 40.6900 7-Mar-78 40.8600 8-Mar-78 40.6100 9-Mar-78 40.9000 10-Mar-78 40.4900 13-Mar-78 40.5700 14-Mar-78 41.1900 15-Mar-78 41.0700 16-Mar-78 40.9000 17-Mar-78 40.9000 20-Mar-78 41.1100 21-Mar-78 41.1500 22-Mar-78 40.9800 23-Mar-78 40.9400 24-Mar-78 40.9000 27-Mar-78 41.1500 28-Mar-78 40.9400 29-Mar-78 40.9800 30-Mar-78 41.0700 31-Mar-78 40.9400 3-Apr-78 40.9400 4-Apr-78 41.0700 5-Apr-78 41.1500 6-Apr-78 41.0700 7-Apr-78 41.2800 10-Apr-78 41.0700 11-Apr-78 41.1500 12-Apr-78 41.1500 13-Apr-78 41.2400 14-Apr-78 41.4100 17-Apr-78 41.4900 18-Apr-78 41.4900 19-Apr-78 41.5400 20-Apr-78 41.9300 21-Apr-78 42.1100 24-Apr-78 42.1100 25-Apr-78 42.1100 26-Apr-78 42.0200 27-Apr-78 42.1100 28-Apr-78 42.4200 1-May-78 42.4200 2-May-78 42.3700 3-May-78 42.2800 4-May-78 42.2800 5-May-78 44.9900 8-May-78 45.2500 9-May-78 45.4500 10-May-78 45.2500 11-May-78 45.2500 12-May-78 45.4500 15-May-78 45.8200 16-May-78 45.7100 17-May-78 45.8200 18-May-78 45.7100 19-May-78 45.7700 22-May-78 46.0300 23-May-78 45.8700 24-May-78 46.0800 25-May-78 45.9800 26-May-78 45.8700 29-May-78 45.9200 30-May-78 ND 31-May-78 45.9200 1-Jun-78 45.6600 2-Jun-78 45.4500 5-Jun-78 45.5100 6-Jun-78 46.0300 7-Jun-78 45.9200 8-Jun-78 45.7100 9-Jun-78 45.8700 12-Jun-78 45.7700 13-Jun-78 45.6100 14-Jun-78 45.7100 15-Jun-78 45.8700 16-Jun-78 45.9200 19-Jun-78 45.7700 20-Jun-78 45.7100 21-Jun-78 45.7700 22-Jun-78 45.7700 23-Jun-78 45.7700 26-Jun-78 45.7100 27-Jun-78 45.8700 28-Jun-78 45.7100 29-Jun-78 45.7700 30-Jun-78 45.6600 3-Jul-78 45.5600 4-Jul-78 ND 5-Jul-78 45.4500 6-Jul-78 45.5600 7-Jul-78 45.7700 10-Jul-78 45.4500 11-Jul-78 45.5100 12-Jul-78 45.6100 13-Jul-78 45.5600 14-Jul-78 45.6100 17-Jul-78 45.6600 18-Jul-78 45.7700 19-Jul-78 45.6600 20-Jul-78 45.6600 21-Jul-78 45.5600 24-Jul-78 45.3500 25-Jul-78 45.4500 26-Jul-78 45.5600 27-Jul-78 45.7100 28-Jul-78 45.6600 31-Jul-78 45.5100 1-Aug-78 45.3500 2-Aug-78 45.6600 3-Aug-78 45.3500 4-Aug-78 45.6100 7-Aug-78 45.6100 8-Aug-78 45.3500 9-Aug-78 45.4500 10-Aug-78 45.3000 11-Aug-78 44.8400 14-Aug-78 44.5400 15-Aug-78 44.4400 16-Aug-78 44.4400 17-Aug-78 45.4000 18-Aug-78 44.8400 21-Aug-78 45.9800 22-Aug-78 45.3500 23-Aug-78 45.9800 24-Aug-78 45.8700 25-Aug-78 45.8700 28-Aug-78 45.7700 29-Aug-78 45.8700 30-Aug-78 45.2000 31-Aug-78 45.4500 1-Sep-78 45.4000 4-Sep-78 ND 5-Sep-78 45.2500 6-Sep-78 45.4500 7-Sep-78 45.6000 8-Sep-78 45.6500 11-Sep-78 46.0000 12-Sep-78 45.7000 13-Sep-78 45.7000 14-Sep-78 45.6500 15-Sep-78 45.6500 18-Sep-78 45.6500 19-Sep-78 45.4500 20-Sep-78 45.3000 21-Sep-78 45.3000 22-Sep-78 45.6500 25-Sep-78 45.3000 26-Sep-78 45.6500 27-Sep-78 45.6000 28-Sep-78 45.6000 29-Sep-78 45.7000 2-Oct-78 45.6500 3-Oct-78 45.3800 4-Oct-78 45.4000 5-Oct-78 45.3500 6-Oct-78 45.4500 9-Oct-78 ND 10-Oct-78 45.1500 11-Oct-78 45.0000 12-Oct-78 44.9500 13-Oct-78 45.0000 16-Oct-78 45.0000 17-Oct-78 44.9000 18-Oct-78 44.7000 19-Oct-78 45.9000 20-Oct-78 44.7500 23-Oct-78 44.6000 24-Oct-78 44.8000 25-Oct-78 44.2000 26-Oct-78 43.9000 27-Oct-78 43.7500 30-Oct-78 43.1000 31-Oct-78 43.2500 1-Nov-78 44.7000 2-Nov-78 46.0000 3-Nov-78 46.4000 6-Nov-78 46.3500 7-Nov-78 ND 8-Nov-78 45.8000 9-Nov-78 45.9000 10-Nov-78 46.2000 13-Nov-78 46.0000 14-Nov-78 46.1500 15-Nov-78 46.3000 16-Nov-78 46.8000 17-Nov-78 47.0000 20-Nov-78 47.3000 21-Nov-78 46.9500 22-Nov-78 47.0500 23-Nov-78 ND 24-Nov-78 46.9500 27-Nov-78 47.1500 28-Nov-78 47.0500 29-Nov-78 46.9300 30-Nov-78 47.0000 1-Dec-78 47.2000 4-Dec-78 46.9500 5-Dec-78 47.1800 6-Dec-78 47.0200 7-Dec-78 46.9000 8-Dec-78 46.8800 11-Dec-78 46.8500 12-Dec-78 46.8000 13-Dec-78 46.7500 14-Dec-78 46.7500 15-Dec-78 46.8000 18-Dec-78 46.2000 19-Dec-78 46.0500 20-Dec-78 46.0000 21-Dec-78 46.5500 22-Dec-78 46.4000 25-Dec-78 ND 26-Dec-78 46.4000 27-Dec-78 45.9000 28-Dec-78 45.9500 29-Dec-78 46.0000 1-Jan-79 ND 2-Jan-79 45.8000 3-Jan-79 46.4800 4-Jan-79 46.7500 5-Jan-79 46.8000 8-Jan-79 46.6000 9-Jan-79 46.5500 10-Jan-79 46.7800 11-Jan-79 47.1500 12-Jan-79 47.0500 15-Jan-79 47.1000 16-Jan-79 46.9500 17-Jan-79 46.5500 18-Jan-79 46.6500 19-Jan-79 46.6500 22-Jan-79 46.7000 23-Jan-79 46.7600 24-Jan-79 46.9000 25-Jan-79 47.1000 26-Jan-79 47.0000 29-Jan-79 47.3000 30-Jan-79 47.1500 31-Jan-79 47.3500 1-Feb-79 47.7500 2-Feb-79 47.8500 5-Feb-79 47.4000 6-Feb-79 47.2000 7-Feb-79 47.0800 8-Feb-79 47.0500 9-Feb-79 47.4000 12-Feb-79 ND 13-Feb-79 47.4500 14-Feb-79 47.5500 15-Feb-79 47.5000 16-Feb-79 47.5000 19-Feb-79 ND 20-Feb-79 47.5500 21-Feb-79 47.5000 22-Feb-79 47.5700 23-Feb-79 47.5500 26-Feb-79 47.5200 27-Feb-79 47.5200 28-Feb-79 47.5800 1-Mar-79 47.6500 2-Mar-79 47.6700 5-Mar-79 47.7400 6-Mar-79 47.7200 7-Mar-79 47.7000 8-Mar-79 47.6300 9-Mar-79 47.6800 12-Mar-79 47.7700 13-Mar-79 47.9500 14-Mar-79 48.0000 15-Mar-79 47.8800 16-Mar-79 48.0000 19-Mar-79 48.0800 20-Mar-79 48.0500 21-Mar-79 48.1500 22-Mar-79 48.1000 23-Mar-79 48.1500 26-Mar-79 48.1000 27-Mar-79 48.2000 28-Mar-79 48.1000 29-Mar-79 48.2800 30-Mar-79 48.3200 2-Apr-79 48.5300 3-Apr-79 48.4800 4-Apr-79 48.4500 5-Apr-79 48.4700 6-Apr-79 48.6500 9-Apr-79 48.7800 10-Apr-79 48.7300 11-Apr-79 48.7000 12-Apr-79 48.7500 13-Apr-79 48.8000 16-Apr-79 48.9500 17-Apr-79 48.8800 18-Apr-79 48.9500 19-Apr-79 48.8300 20-Apr-79 49.0000 23-Apr-79 49.0500 24-Apr-79 48.9500 25-Apr-79 48.9500 26-Apr-79 49.0600 27-Apr-79 49.0600 30-Apr-79 49.2800 1-May-79 49.1000 2-May-79 49.0200 3-May-79 49.1200 4-May-79 49.0500 7-May-79 49.0500 8-May-79 49.0000 9-May-79 49.0800 10-May-79 49.1500 11-May-79 49.3000 14-May-79 49.3000 15-May-79 49.4500 16-May-79 49.5000 17-May-79 49.6000 18-May-79 49.8000 21-May-79 49.8800 22-May-79 49.8000 23-May-79 50.0100 24-May-79 49.5500 25-May-79 49.8500 28-May-79 49.9000 29-May-79 49.9500 30-May-79 ND 31-May-79 49.9300 1-Jun-79 49.9000 4-Jun-79 49.9000 5-Jun-79 49.9100 6-Jun-79 49.9500 7-Jun-79 49.9000 8-Jun-79 49.9000 11-Jun-79 49.9000 12-Jun-79 49.9300 13-Jun-79 49.9000 14-Jun-79 49.7900 15-Jun-79 49.6500 18-Jun-79 49.6000 19-Jun-79 49.3500 20-Jun-79 49.3000 21-Jun-79 49.2000 22-Jun-79 49.0500 25-Jun-79 48.8800 26-Jun-79 49.1200 27-Jun-79 48.9500 28-Jun-79 49.0000 29-Jun-79 49.0200 2-Jul-79 48.9300 3-Jul-79 49.0000 4-Jul-79 ND 5-Jul-79 48.8000 6-Jul-79 48.8500 9-Jul-79 49.0000 10-Jul-79 48.8900 11-Jul-79 48.7500 12-Jul-79 48.7700 13-Jul-79 48.8600 16-Jul-79 48.6700 17-Jul-79 48.5000 18-Jul-79 48.4000 19-Jul-79 48.3200 20-Jul-79 48.6300 23-Jul-79 48.4000 24-Jul-79 48.3500 25-Jul-79 48.5000 26-Jul-79 48.5000 27-Jul-79 48.5500 30-Jul-79 48.6500 31-Jul-79 48.5500 1-Aug-79 48.9000 2-Aug-79 48.9500 3-Aug-79 48.9800 6-Aug-79 48.9800 7-Aug-79 49.2000 8-Aug-79 49.2500 9-Aug-79 49.1500 10-Aug-79 49.0500 13-Aug-79 49.1800 14-Aug-79 49.2000 15-Aug-79 49.1700 16-Aug-79 49.2000 17-Aug-79 49.2500 20-Aug-79 49.2700 21-Aug-79 49.2500 22-Aug-79 49.2300 23-Aug-79 49.2300 24-Aug-79 49.2800 27-Aug-79 49.3500 28-Aug-79 49.2700 29-Aug-79 49.2800 30-Aug-79 49.3200 31-Aug-79 49.2700 3-Sep-79 ND 4-Sep-79 49.2500 5-Sep-79 49.2200 6-Sep-79 49.1200 7-Sep-79 49.1300 10-Sep-79 49.0100 11-Sep-79 49.1100 12-Sep-79 49.1800 13-Sep-79 49.3000 14-Sep-79 49.3000 17-Sep-79 49.8000 18-Sep-79 49.5600 19-Sep-79 49.5800 20-Sep-79 49.2000 21-Sep-79 49.3000 24-Sep-79 49.3500 25-Sep-79 49.3200 26-Sep-79 49.3500 27-Sep-79 49.1000 28-Sep-79 48.9500 1-Oct-79 49.0000 2-Oct-79 49.0000 3-Oct-79 49.3500 4-Oct-79 49.3500 5-Oct-79 49.3500 8-Oct-79 ND 9-Oct-79 50.2000 10-Oct-79 49.8500 11-Oct-79 50.1500 12-Oct-79 49.8000 15-Oct-79 49.9000 16-Oct-79 49.9300 17-Oct-79 50.1800 18-Oct-79 50.0000 19-Oct-79 50.0000 22-Oct-79 50.4000 23-Oct-79 50.3500 24-Oct-79 50.6300 25-Oct-79 50.4500 26-Oct-79 50.5700 29-Oct-79 50.6500 30-Oct-79 50.7000 31-Oct-79 50.7500 1-Nov-79 50.6500 2-Nov-79 50.7000 5-Nov-79 50.6500 6-Nov-79 ND 7-Nov-79 50.4500 8-Nov-79 50.5000 9-Nov-79 50.5700 12-Nov-79 ND 13-Nov-79 50.6000 14-Nov-79 50.5000 15-Nov-79 50.6000 16-Nov-79 50.5700 19-Nov-79 50.3500 20-Nov-79 50.5500 21-Nov-79 50.0500 22-Nov-79 ND 23-Nov-79 50.2000 26-Nov-79 50.2500 27-Nov-79 50.0000 28-Nov-79 50.0500 29-Nov-79 50.0200 30-Nov-79 49.8500 3-Dec-79 49.5500 4-Dec-79 49.7500 5-Dec-79 50.0000 6-Dec-79 50.0500 7-Dec-79 50.3000 10-Dec-79 50.2000 11-Dec-79 50.0000 12-Dec-79 49.8000 13-Dec-79 49.9000 14-Dec-79 49.9300 17-Dec-79 49.9500 18-Dec-79 49.8300 19-Dec-79 49.8700 20-Dec-79 49.8500 21-Dec-79 49.9000 24-Dec-79 49.9000 25-Dec-79 ND 26-Dec-79 49.9000 27-Dec-79 49.8500 28-Dec-79 49.8500 31-Dec-79 49.8500 1-Jan-80 ND 2-Jan-80 49.7000 3-Jan-80 49.5200 4-Jan-80 49.6500 7-Jan-80 49.5600 8-Jan-80 49.6500 9-Jan-80 49.6300 10-Jan-80 49.6000 11-Jan-80 49.7000 14-Jan-80 49.7000 15-Jan-80 50.0000 16-Jan-80 49.8500 17-Jan-80 49.8500 18-Jan-80 49.8500 21-Jan-80 49.8500 22-Jan-80 49.9800 23-Jan-80 50.1000 24-Jan-80 50.0500 25-Jan-80 50.1000 28-Jan-80 50.1500 29-Jan-80 50.2300 30-Jan-80 50.2200 31-Jan-80 50.3000 1-Feb-80 50.4000 4-Feb-80 50.3000 5-Feb-80 50.2200 6-Feb-80 50.0700 7-Feb-80 50.1500 8-Feb-80 50.2000 11-Feb-80 47.5000 12-Feb-80 ND 13-Feb-80 47.3000 14-Feb-80 47.2500 15-Feb-80 47.3200 18-Feb-80 ND 19-Feb-80 47.5700 20-Feb-80 47.6500 21-Feb-80 47.6500 22-Feb-80 47.8000 25-Feb-80 47.9000 26-Feb-80 47.9700 27-Feb-80 48.0000 28-Feb-80 47.9500 29-Feb-80 48.1800 3-Mar-80 48.3900 4-Mar-80 48.4700 5-Mar-80 48.6300 6-Mar-80 48.7000 7-Mar-80 49.0000 10-Mar-80 49.1500 11-Mar-80 49.0800 12-Mar-80 48.9000 13-Mar-80 49.2000 14-Mar-80 49.5500 17-Mar-80 50.1000 18-Mar-80 50.2700 19-Mar-80 50.1000 20-Mar-80 50.0500 21-Mar-80 50.2700 24-Mar-80 50.5500 25-Mar-80 50.5500 26-Mar-80 50.5000 27-Mar-80 50.8000 28-Mar-80 50.9300 31-Mar-80 51.0500 1-Apr-80 51.8000 2-Apr-80 51.5500 3-Apr-80 51.3500 4-Apr-80 51.6000 7-Apr-80 51.8000 8-Apr-80 51.6200 9-Apr-80 50.7200 10-Apr-80 50.8000 11-Apr-80 50.6000 14-Apr-80 50.3000 15-Apr-80 50.7000 16-Apr-80 50.6500 17-Apr-80 50.1000 18-Apr-80 50.1300 21-Apr-80 50.1000 22-Apr-80 50.1500 23-Apr-80 49.9000 24-Apr-80 49.7500 25-Apr-80 49.8000 28-Apr-80 49.3000 29-Apr-80 49.3500 30-Apr-80 49.4000 1-May-80 49.5000 2-May-80 49.5000 5-May-80 49.6000 6-May-80 49.3800 7-May-80 49.0500 8-May-80 49.3000 9-May-80 49.4000 12-May-80 49.3000 13-May-80 49.2500 14-May-80 49.0000 15-May-80 49.6000 16-May-80 49.5500 19-May-80 49.4500 20-May-80 49.4300 21-May-80 49.3000 22-May-80 49.1000 23-May-80 49.0000 26-May-80 ND 27-May-80 48.8500 28-May-80 48.9500 29-May-80 48.9300 30-May-80 49.1500 2-Jun-80 48.8800 3-Jun-80 49.1500 4-Jun-80 49.0000 5-Jun-80 49.0000 6-Jun-80 49.0000 9-Jun-80 48.8500 10-Jun-80 48.8500 11-Jun-80 48.9500 12-Jun-80 49.0000 13-Jun-80 48.7800 16-Jun-80 48.8500 17-Jun-80 49.0000 18-Jun-80 48.9300 19-Jun-80 49.1000 20-Jun-80 49.0300 23-Jun-80 49.0000 24-Jun-80 49.0700 25-Jun-80 49.0300 26-Jun-80 49.0000 27-Jun-80 48.9700 30-Jun-80 48.8500 1-Jul-80 48.9800 2-Jul-80 48.9500 3-Jul-80 48.9800 4-Jul-80 ND 7-Jul-80 48.6700 8-Jul-80 48.6000 9-Jul-80 48.6000 10-Jul-80 48.6000 11-Jul-80 48.7800 14-Jul-80 48.7200 15-Jul-80 48.7500 16-Jul-80 48.7600 17-Jul-80 48.6500 18-Jul-80 48.8200 21-Jul-80 48.8000 22-Jul-80 48.7700 23-Jul-80 48.7300 24-Jul-80 48.7300 25-Jul-80 48.8000 28-Jul-80 48.8000 29-Jul-80 49.1000 30-Jul-80 49.4500 31-Jul-80 49.9500 1-Aug-80 49.9500 4-Aug-80 49.6500 5-Aug-80 48.6000 6-Aug-80 49.3300 7-Aug-80 49.4000 8-Aug-80 49.5500 11-Aug-80 49.5700 12-Aug-80 49.5700 13-Aug-80 49.4200 14-Aug-80 49.5500 15-Aug-80 49.6200 18-Aug-80 49.7500 19-Aug-80 49.8300 20-Aug-80 49.7200 21-Aug-80 49.8000 22-Aug-80 49.8500 25-Aug-80 49.9000 26-Aug-80 48.9800 27-Aug-80 49.8800 28-Aug-80 49.8300 29-Aug-80 49.7800 1-Sep-80 ND 2-Sep-80 48.5500 3-Sep-80 49.5500 4-Sep-80 49.5200 5-Sep-80 49.6300 8-Sep-80 49.6000 9-Sep-80 49.5000 10-Sep-80 49.5600 11-Sep-80 49.5500 12-Sep-80 49.5600 15-Sep-80 49.7500 16-Sep-80 49.8000 17-Sep-80 49.7000 18-Sep-80 49.8500 19-Sep-80 50.0000 22-Sep-80 49.9800 23-Sep-80 50.2500 24-Sep-80 50.0200 25-Sep-80 50.0500 26-Sep-80 50.1700 29-Sep-80 50.2500 30-Sep-80 50.1800 1-Oct-80 50.1000 2-Oct-80 50.1800 3-Oct-80 50.3000 6-Oct-80 50.0000 7-Oct-80 50.2500 8-Oct-80 50.2000 9-Oct-80 50.2000 10-Oct-80 50.1500 13-Oct-80 ND 14-Oct-80 50.2000 15-Oct-80 50.5500 16-Oct-80 50.3000 17-Oct-80 50.5500 20-Oct-80 50.6500 21-Oct-80 50.8000 22-Oct-80 50.8000 23-Oct-80 50.8200 24-Oct-80 50.9300 27-Oct-80 51.1200 28-Oct-80 51.3000 29-Oct-80 51.3000 30-Oct-80 51.4000 31-Oct-80 51.6000 3-Nov-80 52.0000 4-Nov-80 ND 5-Nov-80 52.0000 6-Nov-80 51.9500 7-Nov-80 52.3000 10-Nov-80 52.2500 11-Nov-80 ND 12-Nov-80 51.7500 13-Nov-80 51.7500 14-Nov-80 51.9000 17-Nov-80 52.2000 18-Nov-80 52.2000 19-Nov-80 51.9000 20-Nov-80 52.1800 21-Nov-80 52.5000 24-Nov-80 52.3000 25-Nov-80 52.3500 26-Nov-80 52.3500 27-Nov-80 ND 28-Nov-80 52.5500 1-Dec-80 52.9000 2-Dec-80 52.7500 3-Dec-80 52.6500 4-Dec-80 52.7000 5-Dec-80 53.0000 8-Dec-80 52.9500 9-Dec-80 53.1800 10-Dec-80 53.6500 11-Dec-80 53.9500 12-Dec-80 53.7000 15-Dec-80 53.3000 16-Dec-80 53.9500 17-Dec-80 53.8500 18-Dec-80 53.7500 19-Dec-80 53.7000 22-Dec-80 53.3500 23-Dec-80 53.1500 24-Dec-80 53.0500 25-Dec-80 ND 26-Dec-80 53.1000 29-Dec-80 53.1500 30-Dec-80 53.0000 31-Dec-80 53.2000 1-Jan-81 ND 2-Jan-81 53.3500 5-Jan-81 53.0000 6-Jan-81 52.5500 7-Jan-81 52.7000 8-Jan-81 53.1500 9-Jan-81 53.1400 12-Jan-81 53.1500 13-Jan-81 53.7000 14-Jan-81 53.5800 15-Jan-81 53.7000 16-Jan-81 53.9000 19-Jan-81 53.5800 20-Jan-81 53.7300 21-Jan-81 53.5200 22-Jan-81 53.8000 23-Jan-81 54.2500 26-Jan-81 54.3500 27-Jan-81 54.6500 28-Jan-81 55.0000 29-Jan-81 55.3000 30-Jan-81 55.7500 2-Feb-81 55.5000 3-Feb-81 56.4000 4-Feb-81 55.7500 5-Feb-81 56.1500 6-Feb-81 56.5000 9-Feb-81 56.0500 10-Feb-81 56.1000 11-Feb-81 56.1000 12-Feb-81 ND 13-Feb-81 57.1000 16-Feb-81 ND 17-Feb-81 57.2000 18-Feb-81 56.9000 19-Feb-81 56.8000 20-Feb-81 56.3000 23-Feb-81 56.3500 24-Feb-81 56.1500 25-Feb-81 56.2500 26-Feb-81 56.8500 27-Feb-81 57.3000 2-Mar-81 57.5000 3-Mar-81 57.9000 4-Mar-81 56.8500 5-Mar-81 57.0500 6-Mar-81 57.2300 9-Mar-81 57.1000 10-Mar-81 56.8500 11-Mar-81 56.7500 12-Mar-81 56.7500 13-Mar-81 56.7500 16-Mar-81 56.5500 17-Mar-81 56.4500 18-Mar-81 55.8800 19-Mar-81 55.6000 20-Mar-81 56.0500 23-Mar-81 56.5500 24-Mar-81 56.5500 25-Mar-81 56.4200 26-Mar-81 56.5500 27-Mar-81 57.4000 30-Mar-81 57.0500 31-Mar-81 56.8000 1-Apr-81 56.7500 2-Apr-81 56.8000 3-Apr-81 57.3500 6-Apr-81 58.0500 7-Apr-81 58.0000 8-Apr-81 57.5000 9-Apr-81 57.7500 10-Apr-81 57.8500 13-Apr-81 58.4000 14-Apr-81 58.1500 15-Apr-81 58.4000 16-Apr-81 58.7000 17-Apr-81 58.7500 20-Apr-81 58.3000 21-Apr-81 58.6000 22-Apr-81 58.5000 23-Apr-81 58.4500 24-Apr-81 58.6000 27-Apr-81 58.5500 28-Apr-81 58.7500 29-Apr-81 59.2000 30-Apr-81 59.4500 1-May-81 59.6000 4-May-81 59.4000 5-May-81 60.3000 6-May-81 60.0000 7-May-81 60.3000 8-May-81 60.0000 11-May-81 60.5000 12-May-81 60.6700 13-May-81 60.7000 14-May-81 61.2000 15-May-81 61.0000 18-May-81 60.9000 19-May-81 60.7500 20-May-81 60.7500 21-May-81 62.2500 22-May-81 61.2000 25-May-81 ND 26-May-81 61.5500 27-May-81 61.9000 28-May-81 61.6000 29-May-81 61.4500 1-Jun-81 61.5000 2-Jun-81 62.5000 3-Jun-81 62.3000 4-Jun-81 64.1500 5-Jun-81 63.8000 8-Jun-81 63.6000 9-Jun-81 63.1000 10-Jun-81 63.1500 11-Jun-81 63.3000 12-Jun-81 63.3500 15-Jun-81 62.8500 16-Jun-81 62.4500 17-Jun-81 60.2500 18-Jun-81 62.6000 19-Jun-81 63.2500 22-Jun-81 62.9000 23-Jun-81 62.6500 24-Jun-81 62.8500 25-Jun-81 63.1000 26-Jun-81 63.6500 29-Jun-81 63.2000 30-Jun-81 63.5000 1-Jul-81 64.1000 2-Jul-81 64.1200 3-Jul-81 64.0000 6-Jul-81 64.5500 7-Jul-81 64.4500 8-Jul-81 64.9000 9-Jul-81 64.7500 10-Jul-81 64.6000 13-Jul-81 64.4000 14-Jul-81 65.0000 15-Jul-81 64.2000 16-Jul-81 64.4500 17-Jul-81 64.6000 20-Jul-81 65.0500 21-Jul-81 65.2000 22-Jul-81 65.2000 23-Jul-81 65.0000 24-Jul-81 65.2000 27-Jul-81 65.1000 28-Jul-81 65.3500 29-Jul-81 65.3500 30-Jul-81 65.7000 31-Jul-81 65.5500 3-Aug-81 66.3000 4-Aug-81 66.5000 5-Aug-81 66.5000 6-Aug-81 66.5500 7-Aug-81 67.2000 10-Aug-81 67.6000 11-Aug-81 67.8000 12-Aug-81 67.0000 13-Aug-81 66.9000 14-Aug-81 67.2000 17-Aug-81 67.2500 18-Aug-81 66.5500 19-Aug-81 66.4500 20-Aug-81 66.2000 21-Aug-81 66.1000 24-Aug-81 65.9000 25-Aug-81 67.0000 26-Aug-81 66.5500 27-Aug-81 66.2500 28-Aug-81 66.3500 31-Aug-81 66.0000 1-Sep-81 66.3500 2-Sep-81 66.0000 3-Sep-81 65.7500 4-Sep-81 65.7000 7-Sep-81 ND 8-Sep-81 66.0000 9-Sep-81 66.1000 10-Sep-81 65.9500 11-Sep-81 65.8500 14-Sep-81 66.2000 15-Sep-81 66.7000 16-Sep-81 66.0000 17-Sep-81 64.7500 18-Sep-81 64.7000 21-Sep-81 63.6000 22-Sep-81 64.7500 23-Sep-81 64.5000 24-Sep-81 65.3000 25-Sep-81 65.4000 28-Sep-81 65.7000 29-Sep-81 65.1000 30-Sep-81 65.1500 1-Oct-81 65.3000 2-Oct-81 64.7000 5-Oct-81 64.9000 6-Oct-81 64.3000 7-Oct-81 64.0000 8-Oct-81 64.0000 9-Oct-81 63.3000 12-Oct-81 ND 13-Oct-81 63.6000 14-Oct-81 64.0000 15-Oct-81 63.9000 16-Oct-81 64.5000 19-Oct-81 64.6000 20-Oct-81 64.3000 21-Oct-81 65.2000 22-Oct-81 65.0500 23-Oct-81 65.2500 26-Oct-81 66.0000 27-Oct-81 65.9000 28-Oct-81 65.6500 29-Oct-81 65.6500 30-Oct-81 64.6000 2-Nov-81 64.3000 3-Nov-81 ND 4-Nov-81 64.2000 5-Nov-81 64.3000 6-Nov-81 64.6000 9-Nov-81 63.8500 10-Nov-81 64.4500 11-Nov-81 ND 12-Nov-81 64.1500 13-Nov-81 64.3500 16-Nov-81 64.3000 17-Nov-81 64.3500 18-Nov-81 64.4500 19-Nov-81 64.3000 20-Nov-81 64.5000 23-Nov-81 64.8500 24-Nov-81 64.4000 25-Nov-81 64.3500 26-Nov-81 ND 27-Nov-81 64.8000 30-Nov-81 64.2500 1-Dec-81 64.2000 2-Dec-81 64.5500 3-Dec-81 64.3500 4-Dec-81 64.5000 7-Dec-81 64.4000 8-Dec-81 64.6500 9-Dec-81 64.6000 10-Dec-81 64.8500 11-Dec-81 65.0500 14-Dec-81 66.2500 15-Dec-81 65.8000 16-Dec-81 65.7000 17-Dec-81 65.7000 18-Dec-81 65.9000 21-Dec-81 66.0000 22-Dec-81 65.8000 23-Dec-81 66.1000 24-Dec-81 66.0000 25-Dec-81 ND 28-Dec-81 66.0500 29-Dec-81 65.9000 30-Dec-81 65.8000 31-Dec-81 65.5000 1-Jan-82 ND 4-Jan-82 65.0000 5-Jan-82 65.3000 6-Jan-82 65.4000 7-Jan-82 65.8000 8-Jan-82 65.6500 11-Jan-82 65.9000 12-Jan-82 66.5500 13-Jan-82 66.4000 14-Jan-82 66.8000 15-Jan-82 65.8500 18-Jan-82 66.9000 19-Jan-82 66.6000 20-Jan-82 66.8000 21-Jan-82 66.8500 22-Jan-82 66.8000 25-Jan-82 67.4000 26-Jan-82 67.5500 27-Jan-82 67.4000 28-Jan-82 67.6000 29-Jan-82 67.3000 1-Feb-82 67.8000 2-Feb-82 68.7500 3-Feb-82 68.5000 4-Feb-82 68.7000 5-Feb-82 68.5000 8-Feb-82 68.7500 9-Feb-82 69.5500 10-Feb-82 69.3500 11-Feb-82 69.1500 12-Feb-82 ND 15-Feb-82 ND 16-Feb-82 70.0000 17-Feb-82 69.5000 18-Feb-82 69.0500 19-Feb-82 68.6000 22-Feb-82 68.8000 23-Feb-82 69.3000 24-Feb-82 69.3000 25-Feb-82 69.6000 26-Feb-82 70.0000 1-Mar-82 71.4000 2-Mar-82 71.0500 3-Mar-82 70.7000 4-Mar-82 70.4500 5-Mar-82 69.3500 8-Mar-82 69.0000 9-Mar-82 69.4000 10-Mar-82 69.5000 11-Mar-82 69.4300 12-Mar-82 69.9000 15-Mar-82 69.8500 16-Mar-82 70.6000 17-Mar-82 70.3000 18-Mar-82 70.3000 19-Mar-82 70.4500 22-Mar-82 70.6000 23-Mar-82 70.9000 24-Mar-82 70.6500 25-Mar-82 70.8000 26-Mar-82 71.3000 29-Mar-82 71.5500 30-Mar-82 71.8000 31-Mar-82 71.9500 1-Apr-82 73.1000 2-Apr-82 73.2500 5-Apr-82 71.7000 6-Apr-82 72.1000 7-Apr-82 72.6000 8-Apr-82 72.0000 9-Apr-82 72.0000 12-Apr-82 72.0000 13-Apr-82 72.6000 14-Apr-82 72.4000 15-Apr-82 72.7000 16-Apr-82 72.8000 19-Apr-82 73.5000 20-Apr-82 73.1000 21-Apr-82 73.0000 22-Apr-82 73.3000 23-Apr-82 73.3000 26-Apr-82 72.5000 27-Apr-82 72.4000 28-Apr-82 71.9000 29-Apr-82 71.5000 30-Apr-82 71.1000 3-May-82 70.6000 4-May-82 71.0000 5-May-82 70.8000 6-May-82 70.2500 7-May-82 69.9000 10-May-82 69.9000 11-May-82 70.0500 12-May-82 69.6000 13-May-82 70.3000 14-May-82 70.6500 17-May-82 70.1000 18-May-82 71.0000 19-May-82 70.6000 20-May-82 70.9500 21-May-82 70.6000 24-May-82 70.9500 25-May-82 70.8500 26-May-82 70.8000 27-May-82 71.4000 28-May-82 71.9000 31-May-82 ND 1-Jun-82 72.0000 2-Jun-82 73.0000 3-Jun-82 72.5500 4-Jun-82 72.2500 7-Jun-82 72.8500 8-Jun-82 72.8000 9-Jun-82 73.2500 10-Jun-82 73.4500 11-Jun-82 73.2000 14-Jun-82 74.2500 15-Jun-82 74.5000 16-Jun-82 82.5000 17-Jun-82 83.0000 18-Jun-82 83.3000 21-Jun-82 84.2500 22-Jun-82 83.9000 23-Jun-82 84.0000 24-Jun-82 83.6000 25-Jun-82 84.6000 28-Jun-82 84.7500 29-Jun-82 84.6000 30-Jun-82 83.9000 1-Jul-82 84.0000 2-Jul-82 83.9000 5-Jul-82 ND 6-Jul-82 84.4500 7-Jul-82 85.5000 8-Jul-82 85.2000 9-Jul-82 85.7500 12-Jul-82 84.5000 13-Jul-82 84.7000 14-Jul-82 85.2000 15-Jul-82 85.2000 16-Jul-82 85.2500 19-Jul-82 84.9000 20-Jul-82 84.7000 21-Jul-82 84.0000 22-Jul-82 83.7000 23-Jul-82 83.0000 26-Jul-82 83.1000 27-Jul-82 83.6500 28-Jul-82 84.1000 29-Jul-82 84.9500 30-Jul-82 85.0500 2-Aug-82 84.3000 3-Aug-82 84.1000 4-Aug-82 85.0000 5-Aug-82 85.0500 6-Aug-82 86.0000 9-Aug-82 86.8000 10-Aug-82 86.1000 11-Aug-82 86.9000 12-Aug-82 86.9000 13-Aug-82 86.5000 16-Aug-82 86.8000 17-Aug-82 86.9500 18-Aug-82 86.9000 19-Aug-82 86.2000 20-Aug-82 85.9000 23-Aug-82 86.1000 24-Aug-82 85.6000 25-Aug-82 85.2000 26-Aug-82 85.1000 27-Aug-82 85.2000 30-Aug-82 85.6000 31-Aug-82 86.9000 1-Sep-82 86.7000 2-Sep-82 86.5000 3-Sep-82 86.4000 6-Sep-82 ND 7-Sep-82 87.5000 8-Sep-82 87.5000 9-Sep-82 86.9000 10-Sep-82 87.8000 13-Sep-82 88.6000 14-Sep-82 88.7000 15-Sep-82 87.9000 16-Sep-82 87.8000 17-Sep-82 87.5000 20-Sep-82 87.2500 21-Sep-82 87.6000 22-Sep-82 87.3000 23-Sep-82 87.4000 24-Sep-82 88.4000 27-Sep-82 88.3500 28-Sep-82 88.4000 29-Sep-82 88.6500 30-Sep-82 88.6000 1-Oct-82 88.5000 4-Oct-82 89.2000 5-Oct-82 89.6500 6-Oct-82 89.2000 7-Oct-82 89.2500 8-Oct-82 88.9500 11-Oct-82 ND 12-Oct-82 88.7500 13-Oct-82 89.3000 14-Oct-82 89.3000 15-Oct-82 89.5500 18-Oct-82 89.2000 19-Oct-82 89.5000 20-Oct-82 89.7000 21-Oct-82 89.9000 22-Oct-82 89.7500 25-Oct-82 90.6000 26-Oct-82 90.5000 27-Oct-82 90.5000 28-Oct-82 90.7500 29-Oct-82 91.0000 1-Nov-82 91.0000 2-Nov-82 ND 3-Nov-82 91.0000 4-Nov-82 91.4000 5-Nov-82 91.5600 8-Nov-82 92.1500 9-Nov-82 91.9000 10-Nov-82 91.6500 11-Nov-82 ND 12-Nov-82 92.0500 15-Nov-82 92.4000 16-Nov-82 92.1000 17-Nov-82 91.7500 18-Nov-82 92.8000 19-Nov-82 92.5500 22-Nov-82 91.7000 23-Nov-82 91.9500 24-Nov-82 91.8500 25-Nov-82 ND 26-Nov-82 92.4000 29-Nov-82 91.9000 30-Nov-82 92.2000 1-Dec-82 91.8000 2-Dec-82 92.0000 3-Dec-82 90.5000 6-Dec-82 92.0000 7-Dec-82 93.0000 8-Dec-82 95.0000 9-Dec-82 94.0000 10-Dec-82 92.9500 13-Dec-82 96.0000 14-Dec-82 98.0000 15-Dec-82 96.5000 16-Dec-82 94.5000 17-Dec-82 92.5000 20-Dec-82 93.2500 21-Dec-82 91.2500 22-Dec-82 92.0000 23-Dec-82 92.0000 24-Dec-82 93.0000 27-Dec-82 90.0000 28-Dec-82 91.0000 29-Dec-82 90.5000 30-Dec-82 90.0000 31-Dec-82 90.0000 3-Jan-83 91.0000 4-Jan-83 92.2500 5-Jan-83 90.5000 6-Jan-83 91.0000 7-Jan-83 91.0000 10-Jan-83 92.7500 11-Jan-83 92.7500 12-Jan-83 92.7500 13-Jan-83 96.0000 14-Jan-83 96.2500 17-Jan-83 97.2500 18-Jan-83 97.2500 19-Jan-83 97.2500 20-Jan-83 97.2500 21-Jan-83 96.5000 24-Jan-83 98.2500 25-Jan-83 97.2500 26-Jan-83 95.2500 27-Jan-83 95.2500 28-Jan-83 93.0000 31-Jan-83 94.7500 1-Feb-83 95.2500 2-Feb-83 95.0000 3-Feb-83 94.2500 4-Feb-83 95.2500 7-Feb-83 95.2500 8-Feb-83 95.0000 9-Feb-83 94.2500 10-Feb-83 93.5000 11-Feb-83 93.2500 14-Feb-83 94.2500 15-Feb-83 94.0000 16-Feb-83 91.2500 17-Feb-83 92.2500 18-Feb-83 93.2500 21-Feb-83 ND 22-Feb-83 92.5000 23-Feb-83 93.5000 24-Feb-83 93.1500 25-Feb-83 93.3500 28-Feb-83 93.1500 1-Mar-83 94.2500 2-Mar-83 94.0000 3-Mar-83 94.0000 4-Mar-83 94.1500 7-Mar-83 94.8000 8-Mar-83 95.0000 9-Mar-83 94.5000 10-Mar-83 94.5000 11-Mar-83 95.0000 14-Mar-83 95.0000 15-Mar-83 94.0000 16-Mar-83 94.0000 17-Mar-83 94.2500 18-Mar-83 94.5000 21-Mar-83 100.0000 22-Mar-83 98.0000 23-Mar-83 98.5000 24-Mar-83 98.1500 25-Mar-83 98.0000 28-Mar-83 98.0000 29-Mar-83 95.5000 30-Mar-83 98.2500 31-Mar-83 98.6000 1-Apr-83 98.6000 4-Apr-83 98.6000 5-Apr-83 98.0000 6-Apr-83 98.0000 7-Apr-83 98.0000 8-Apr-83 98.0000 11-Apr-83 98.2500 12-Apr-83 98.1000 13-Apr-83 97.7500 14-Apr-83 98.4000 15-Apr-83 98.5000 18-Apr-83 98.5000 19-Apr-83 99.0000 20-Apr-83 98.5000 21-Apr-83 98.5000 22-Apr-83 102.0000 25-Apr-83 102.0000 26-Apr-83 102.0000 27-Apr-83 99.7500 28-Apr-83 100.0000 29-Apr-83 99.7000 2-May-83 98.8000 3-May-83 99.7500 4-May-83 98.5000 5-May-83 99.5000 6-May-83 98.5000 9-May-83 99.0000 10-May-83 99.5000 11-May-83 97.8500 12-May-83 99.5000 13-May-83 99.2500 16-May-83 99.6000 17-May-83 99.5000 18-May-83 99.5000 19-May-83 100.0000 20-May-83 99.8000 23-May-83 100.1500 24-May-83 100.0000 25-May-83 99.9000 26-May-83 100.0000 27-May-83 100.5000 30-May-83 ND 31-May-83 100.8500 1-Jun-83 102.0000 2-Jun-83 101.3500 3-Jun-83 101.6500 6-Jun-83 102.0000 7-Jun-83 102.4000 8-Jun-83 102.5000 9-Jun-83 102.4000 10-Jun-83 102.4000 13-Jun-83 102.4000 14-Jun-83 103.5000 15-Jun-83 104.7500 16-Jun-83 103.6000 17-Jun-83 105.0000 20-Jun-83 107.0000 21-Jun-83 104.7000 22-Jun-83 116.0000 23-Jun-83 115.9000 24-Jun-83 115.9000 27-Jun-83 115.8500 28-Jun-83 117.4000 29-Jun-83 116.9000 30-Jun-83 117.0000 1-Jul-83 117.0000 4-Jul-83 ND 5-Jul-83 117.8500 6-Jul-83 117.9000 7-Jul-83 118.0000 8-Jul-83 118.2500 11-Jul-83 118.5500 12-Jul-83 118.9500 13-Jul-83 118.8500 14-Jul-83 118.7000 15-Jul-83 119.4500 18-Jul-83 119.1500 19-Jul-83 119.3000 20-Jul-83 119.0500 21-Jul-83 118.6000 22-Jul-83 119.3500 25-Jul-83 120.0300 26-Jul-83 119.7500 27-Jul-83 120.2500 28-Jul-83 120.4500 29-Jul-83 121.1500 1-Aug-83 121.9000 2-Aug-83 122.1000 3-Aug-83 122.0000 4-Aug-83 122.2500 5-Aug-83 123.4000 8-Aug-83 123.5000 9-Aug-83 123.1000 10-Aug-83 123.9500 11-Aug-83 124.7500 12-Aug-83 124.5500 15-Aug-83 124.0000 16-Aug-83 122.9500 17-Aug-83 122.3000 18-Aug-83 121.9000 19-Aug-83 122.3500 22-Aug-83 122.1500 23-Aug-83 121.6000 24-Aug-83 122.4000 25-Aug-83 122.4000 26-Aug-83 123.5000 29-Aug-83 123.5000 30-Aug-83 124.2000 31-Aug-83 124.9000 1-Sep-83 124.5000 2-Sep-83 124.9000 5-Sep-83 ND 6-Sep-83 124.1000 7-Sep-83 124.7000 8-Sep-83 124.4500 9-Sep-83 124.2000 12-Sep-83 123.8000 13-Sep-83 124.4500 14-Sep-83 124.8500 15-Sep-83 124.8500 16-Sep-83 124.6000 19-Sep-83 124.3000 20-Sep-83 124.2000 21-Sep-83 124.4000 22-Sep-83 124.6000 23-Sep-83 124.4500 26-Sep-83 124.0000 27-Sep-83 124.5000 28-Sep-83 124.1000 29-Sep-83 124.5500 30-Sep-83 124.2000 3-Oct-83 124.0000 4-Oct-83 124.7500 5-Oct-83 124.0000 6-Oct-83 124.3000 7-Oct-83 123.9000 10-Oct-83 ND 11-Oct-83 124.1500 12-Oct-83 124.7000 13-Oct-83 124.4000 14-Oct-83 124.7000 17-Oct-83 124.4000 18-Oct-83 124.2000 19-Oct-83 123.9000 20-Oct-83 123.9000 21-Oct-83 123.7000 24-Oct-83 124.7500 25-Oct-83 124.5000 26-Oct-83 124.5000 27-Oct-83 125.0500 28-Oct-83 125.0000 31-Oct-83 125.3500 1-Nov-83 126.0500 2-Nov-83 126.1500 3-Nov-83 126.1000 4-Nov-83 126.7000 7-Nov-83 127.4000 8-Nov-83 ND 9-Nov-83 127.2000 10-Nov-83 127.0000 11-Nov-83 ND 14-Nov-83 127.1000 15-Nov-83 127.4000 16-Nov-83 127.4000 17-Nov-83 128.1500 18-Nov-83 128.2500 21-Nov-83 128.5500 22-Nov-83 128.5000 23-Nov-83 128.5500 24-Nov-83 ND 25-Nov-83 129.4500 28-Nov-83 129.3500 29-Nov-83 129.8000 30-Nov-83 129.4000 1-Dec-83 129.0000 2-Dec-83 129.1000 5-Dec-83 130.1500 6-Dec-83 130.4000 7-Dec-83 130.4000 8-Dec-83 130.6000 9-Dec-83 131.4500 12-Dec-83 131.6500 13-Dec-83 131.8500 14-Dec-83 132.5000 15-Dec-83 132.2500 16-Dec-83 132.9500 19-Dec-83 132.9500 20-Dec-83 132.8500 21-Dec-83 132.8500 22-Dec-83 133.1500 23-Dec-83 133.3500 26-Dec-83 ND 27-Dec-83 132.7000 28-Dec-83 133.4500 29-Dec-83 133.4500 30-Dec-83 133.1000 2-Jan-84 ND 3-Jan-84 133.3500 4-Jan-84 135.4000 5-Jan-84 135.5000 6-Jan-84 136.2500 9-Jan-84 137.8500 10-Jan-84 137.5000 11-Jan-84 137.4000 12-Jan-84 137.6500 13-Jan-84 136.5000 16-Jan-84 136.3000 17-Jan-84 135.0000 18-Jan-84 135.8000 19-Jan-84 135.0000 20-Jan-84 135.7500 23-Jan-84 136.2000 24-Jan-84 136.5000 25-Jan-84 136.3500 26-Jan-84 136.2000 27-Jan-84 136.5000 30-Jan-84 137.4000 31-Jan-84 137.7500 1-Feb-84 137.5000 2-Feb-84 136.2500 3-Feb-84 136.5000 6-Feb-84 136.5000 7-Feb-84 138.8000 8-Feb-84 137.7500 9-Feb-84 137.7500 10-Feb-84 138.0000 13-Feb-84 ND 14-Feb-84 136.4000 15-Feb-84 133.6500 16-Feb-84 133.5000 17-Feb-84 133.7500 20-Feb-84 ND 21-Feb-84 135.0000 22-Feb-84 133.9000 23-Feb-84 133.5000 24-Feb-84 132.2500 27-Feb-84 132.5000 28-Feb-84 131.5000 29-Feb-84 131.5000 1-Mar-84 131.5000 2-Mar-84 130.6500 5-Mar-84 130.2000 6-Mar-84 129.5000 7-Mar-84 128.8000 8-Mar-84 129.8500 9-Mar-84 130.4000 12-Mar-84 131.5000 13-Mar-84 130.8500 14-Mar-84 129.8500 15-Mar-84 130.8000 16-Mar-84 132.5000 19-Mar-84 133.4000 20-Mar-84 133.1500 21-Mar-84 134.3000 22-Mar-84 134.2500 23-Mar-84 134.1500 26-Mar-84 132.7500 27-Mar-84 132.2500 28-Mar-84 132.4000 29-Mar-84 131.7500 30-Mar-84 132.5000 2-Apr-84 132.2500 3-Apr-84 133.3500 4-Apr-84 133.2500 5-Apr-84 133.1000 6-Apr-84 134.0000 9-Apr-84 133.2000 10-Apr-84 133.7500 11-Apr-84 133.5000 12-Apr-84 133.2500 13-Apr-84 133.7000 16-Apr-84 134.2000 17-Apr-84 134.2000 18-Apr-84 134.5000 19-Apr-84 134.6000 20-Apr-84 134.5000 23-Apr-84 134.5000 24-Apr-84 135.9000 25-Apr-84 136.3000 26-Apr-84 136.5000 27-Apr-84 137.1000 30-Apr-84 137.9000 1-May-84 138.2000 2-May-84 138.1500 3-May-84 138.1500 4-May-84 137.6000 7-May-84 139.2500 8-May-84 140.0000 9-May-84 140.2500 10-May-84 140.9000 11-May-84 140.3000 14-May-84 140.3000 15-May-84 140.1000 16-May-84 139.9000 17-May-84 140.3000 18-May-84 141.0000 21-May-84 140.8000 22-May-84 140.0000 23-May-84 139.7500 24-May-84 140.8000 25-May-84 139.4000 28-May-84 ND 29-May-84 140.3000 30-May-84 140.7000 31-May-84 140.6000 1-Jun-84 139.7000 4-Jun-84 139.2000 5-Jun-84 139.1000 6-Jun-84 139.1000 7-Jun-84 139.0000 8-Jun-84 139.4000 11-Jun-84 139.5000 12-Jun-84 140.5000 13-Jun-84 140.5000 14-Jun-84 140.5000 15-Jun-84 141.3000 18-Jun-84 141.7500 19-Jun-84 142.3500 20-Jun-84 142.2500 21-Jun-84 143.9000 22-Jun-84 144.0000 25-Jun-84 144.5000 26-Jun-84 144.5000 27-Jun-84 144.7000 28-Jun-84 145.9000 29-Jun-84 146.7500 2-Jul-84 147.0000 3-Jul-84 148.0000 4-Jul-84 ND 5-Jul-84 149.0000 6-Jul-84 149.0000 9-Jul-84 155.0000 10-Jul-84 153.0000 11-Jul-84 154.0000 12-Jul-84 154.0000 13-Jul-84 154.0000 16-Jul-84 153.0000 17-Jul-84 154.0000 18-Jul-84 155.0000 19-Jul-84 154.0000 20-Jul-84 153.0000 23-Jul-84 154.0000 24-Jul-84 152.5000 25-Jul-84 151.5000 26-Jul-84 150.0000 27-Jul-84 151.5000 30-Jul-84 152.5000 31-Jul-84 151.5000 1-Aug-84 152.5000 2-Aug-84 151.0000 3-Aug-84 150.0000 6-Aug-84 149.5000 7-Aug-84 151.5000 8-Aug-84 151.2500 9-Aug-84 151.2500 10-Aug-84 151.0000 13-Aug-84 151.7500 14-Aug-84 151.0000 15-Aug-84 150.5000 16-Aug-84 149.7500 17-Aug-84 150.5000 20-Aug-84 150.5000 21-Aug-84 150.9000 22-Aug-84 151.5000 23-Aug-84 151.2500 24-Aug-84 151.2500 27-Aug-84 151.2500 28-Aug-84 151.3500 29-Aug-84 151.2500 30-Aug-84 151.2500 31-Aug-84 151.5000 3-Sep-84 ND 4-Sep-84 153.0000 5-Sep-84 153.9500 6-Sep-84 154.3500 7-Sep-84 154.9500 10-Sep-84 155.7500 11-Sep-84 156.1200 12-Sep-84 155.9000 13-Sep-84 157.2000 14-Sep-84 157.1000 17-Sep-84 159.0000 18-Sep-84 162.7000 19-Sep-84 160.3000 20-Sep-84 161.2500 21-Sep-84 162.5000 24-Sep-84 160.0000 25-Sep-84 162.0000 26-Sep-84 162.5000 27-Sep-84 161.0000 28-Sep-84 161.0000 1-Oct-84 161.2500 2-Oct-84 162.5000 3-Oct-84 162.5000 4-Oct-84 162.5000 5-Oct-84 161.5000 8-Oct-84 ND 9-Oct-84 162.5000 10-Oct-84 162.5000 11-Oct-84 162.5000 12-Oct-84 163.5000 15-Oct-84 164.5000 16-Oct-84 164.8500 17-Oct-84 164.0000 18-Oct-84 164.2500 19-Oct-84 164.0000 22-Oct-84 164.0000 23-Oct-84 163.7500 24-Oct-84 163.2500 25-Oct-84 163.2500 26-Oct-84 163.2500 29-Oct-84 164.5000 30-Oct-84 164.5000 31-Oct-84 164.5000 1-Nov-84 164.2500 2-Nov-84 161.0000 5-Nov-84 162.0000 6-Nov-84 ND 7-Nov-84 160.0000 8-Nov-84 160.0000 9-Nov-84 162.0000 12-Nov-84 ND 13-Nov-84 161.0000 14-Nov-84 162.0000 15-Nov-84 162.5000 16-Nov-84 162.0000 19-Nov-84 162.7000 20-Nov-84 163.5000 21-Nov-84 163.5000 22-Nov-84 ND 23-Nov-84 163.0000 26-Nov-84 166.0000 27-Nov-84 165.5000 28-Nov-84 165.5000 29-Nov-84 165.5000 30-Nov-84 167.0000 3-Dec-84 167.0000 4-Dec-84 166.5000 5-Dec-84 165.5000 6-Dec-84 166.0000 7-Dec-84 165.7500 10-Dec-84 166.3000 11-Dec-84 166.2500 12-Dec-84 166.5000 13-Dec-84 166.5000 14-Dec-84 166.7500 17-Dec-84 166.5000 18-Dec-84 167.0000 19-Dec-84 166.9000 20-Dec-84 167.6000 21-Dec-84 168.2000 24-Dec-84 168.2000 25-Dec-84 ND 26-Dec-84 168.5000 27-Dec-84 170.0000 28-Dec-84 170.0000 31-Dec-84 170.2500 1-Jan-85 ND 2-Jan-85 170.7500 3-Jan-85 171.0000 4-Jan-85 171.2500 7-Jan-85 171.7500 8-Jan-85 170.5000 9-Jan-85 171.7500 10-Jan-85 171.5000 11-Jan-85 172.2500 14-Jan-85 173.7500 15-Jan-85 173.7500 16-Jan-85 173.5000 17-Jan-85 173.7500 18-Jan-85 173.2500 21-Jan-85 ND 22-Jan-85 172.7500 23-Jan-85 173.2500 24-Jan-85 173.0000 25-Jan-85 173.0000 28-Jan-85 173.3000 29-Jan-85 173.1000 30-Jan-85 173.6500 31-Jan-85 173.0000 1-Feb-85 173.7500 4-Feb-85 180.0000 5-Feb-85 181.0000 6-Feb-85 183.0000 7-Feb-85 185.0000 8-Feb-85 185.0000 11-Feb-85 185.0000 12-Feb-85 ND 13-Feb-85 182.0000 14-Feb-85 182.5000 15-Feb-85 180.5000 18-Feb-85 ND 19-Feb-85 183.0000 20-Feb-85 183.5000 21-Feb-85 183.0000 22-Feb-85 185.0000 25-Feb-85 186.5000 26-Feb-85 189.5000 27-Feb-85 185.5000 28-Feb-85 184.5000 1-Mar-85 186.0000 4-Mar-85 186.0000 5-Mar-85 187.5000 6-Mar-85 187.5000 7-Mar-85 188.0000 8-Mar-85 188.5000 11-Mar-85 186.0000 12-Mar-85 186.0000 13-Mar-85 186.0000 14-Mar-85 187.0000 15-Mar-85 187.5000 18-Mar-85 187.0000 19-Mar-85 184.0000 20-Mar-85 181.0000 21-Mar-85 181.0000 22-Mar-85 182.0000 25-Mar-85 182.0000 26-Mar-85 180.5000 27-Mar-85 178.0000 28-Mar-85 178.0000 29-Mar-85 174.0000 1-Apr-85 174.5000 2-Apr-85 175.2500 3-Apr-85 175.0000 4-Apr-85 176.5000 5-Apr-85 176.0000 8-Apr-85 176.0000 9-Apr-85 176.5000 10-Apr-85 176.5000 11-Apr-85 174.5000 12-Apr-85 173.0000 15-Apr-85 172.5000 16-Apr-85 170.5000 17-Apr-85 170.5000 18-Apr-85 172.0000 19-Apr-85 170.5000 22-Apr-85 172.0000 23-Apr-85 172.5000 24-Apr-85 176.0000 25-Apr-85 178.0000 26-Apr-85 179.0000 29-Apr-85 177.5000 30-Apr-85 175.5000 1-May-85 177.0000 2-May-85 179.0000 3-May-85 182.0000 6-May-85 184.0000 7-May-85 183.0000 8-May-85 183.0000 9-May-85 179.0000 10-May-85 178.0000 13-May-85 176.5000 14-May-85 175.0000 15-May-85 175.0000 16-May-85 177.0000 17-May-85 176.5000 20-May-85 173.5000 21-May-85 175.0000 22-May-85 174.5000 23-May-85 177.0000 24-May-85 175.0000 27-May-85 ND 28-May-85 176.5000 29-May-85 176.5000 30-May-85 176.0000 31-May-85 177.0000 3-Jun-85 175.0000 4-Jun-85 175.0000 5-Jun-85 175.5000 6-Jun-85 176.0000 7-Jun-85 176.5000 10-Jun-85 178.0000 11-Jun-85 177.0000 12-Jun-85 176.5000 13-Jun-85 177.5000 14-Jun-85 176.0000 17-Jun-85 175.7000 18-Jun-85 175.0000 19-Jun-85 174.0000 20-Jun-85 177.5000 21-Jun-85 177.0000 24-Jun-85 177.0000 25-Jun-85 176.5000 26-Jun-85 176.0000 27-Jun-85 176.2000 28-Jun-85 175.0000 1-Jul-85 174.5000 2-Jul-85 175.0000 3-Jul-85 174.7000 4-Jul-85 ND 5-Jul-85 174.2500 8-Jul-85 173.5000 9-Jul-85 172.0000 10-Jul-85 169.7000 11-Jul-85 170.0000 12-Jul-85 168.0000 15-Jul-85 167.7000 16-Jul-85 168.5000 17-Jul-85 165.7500 18-Jul-85 167.5000 19-Jul-85 168.0000 22-Jul-85 169.2000 23-Jul-85 167.5000 24-Jul-85 168.5000 25-Jul-85 168.5000 26-Jul-85 170.0000 29-Jul-85 168.5000 30-Jul-85 167.0000 31-Jul-85 166.7000 1-Aug-85 168.0000 2-Aug-85 168.5000 5-Aug-85 168.0000 6-Aug-85 169.0000 7-Aug-85 169.0000 8-Aug-85 168.8000 9-Aug-85 169.0000 12-Aug-85 167.5000 13-Aug-85 166.5000 14-Aug-85 167.0000 15-Aug-85 166.0000 16-Aug-85 166.0000 19-Aug-85 166.0000 20-Aug-85 167.2000 21-Aug-85 166.7500 22-Aug-85 165.5000 23-Aug-85 166.2000 26-Aug-85 166.2000 27-Aug-85 167.5000 28-Aug-85 166.9000 29-Aug-85 167.5000 30-Aug-85 168.5000 2-Sep-85 ND 3-Sep-85 171.0000 4-Sep-85 170.5000 5-Sep-85 171.0000 6-Sep-85 174.0000 9-Sep-85 176.0000 10-Sep-85 175.5000 11-Sep-85 176.5000 12-Sep-85 176.7000 13-Sep-85 175.5000 16-Sep-85 174.5000 17-Sep-85 174.2500 18-Sep-85 175.5000 19-Sep-85 175.0000 20-Sep-85 172.2000 23-Sep-85 169.0000 24-Sep-85 170.0000 25-Sep-85 167.0000 26-Sep-85 169.0000 27-Sep-85 169.0000 30-Sep-85 169.0000 1-Oct-85 167.0000 2-Oct-85 167.0000 3-Oct-85 165.5000 4-Oct-85 164.0000 7-Oct-85 166.5000 8-Oct-85 163.7000 9-Oct-85 164.7000 10-Oct-85 164.2000 11-Oct-85 164.4000 14-Oct-85 ND 15-Oct-85 164.5000 16-Oct-85 165.7000 17-Oct-85 163.7000 18-Oct-85 163.6000 21-Oct-85 163.7000 22-Oct-85 164.0000 23-Oct-85 164.0000 24-Oct-85 165.2000 25-Oct-85 165.0000 28-Oct-85 164.5000 29-Oct-85 163.5000 30-Oct-85 163.0000 31-Oct-85 163.5000 1-Nov-85 162.5000 4-Nov-85 162.4000 5-Nov-85 162.5000 6-Nov-85 163.0000 7-Nov-85 163.0000 8-Nov-85 163.8000 11-Nov-85 ND 12-Nov-85 164.0000 13-Nov-85 163.5000 14-Nov-85 163.5000 15-Nov-85 163.7000 18-Nov-85 164.0000 19-Nov-85 163.0000 20-Nov-85 163.6000 21-Nov-85 162.7500 22-Nov-85 163.2500 25-Nov-85 162.8000 26-Nov-85 162.7000 27-Nov-85 162.3000 28-Nov-85 ND 29-Nov-85 160.0000 2-Dec-85 160.5000 3-Dec-85 161.0000 4-Dec-85 161.0000 5-Dec-85 160.9000 6-Dec-85 160.7000 9-Dec-85 160.7000 10-Dec-85 161.8000 11-Dec-85 163.2000 12-Dec-85 161.0000 13-Dec-85 161.5000 16-Dec-85 161.5000 17-Dec-85 160.5000 18-Dec-85 161.5000 19-Dec-85 161.2000 20-Dec-85 161.5000 23-Dec-85 160.2500 24-Dec-85 160.2500 25-Dec-85 ND 26-Dec-85 160.2500 27-Dec-85 159.8000 30-Dec-85 159.0000 31-Dec-85 158.7000 1-Jan-86 ND 2-Jan-86 158.0000 3-Jan-86 159.0000 6-Jan-86 158.5000 7-Jan-86 157.0000 8-Jan-86 158.6000 9-Jan-86 159.3000 10-Jan-86 158.2000 13-Jan-86 159.2500 14-Jan-86 159.0000 15-Jan-86 158.3000 16-Jan-86 158.7000 17-Jan-86 158.7000 20-Jan-86 ND 21-Jan-86 158.5000 22-Jan-86 158.7000 23-Jan-86 159.1000 24-Jan-86 158.0000 27-Jan-86 156.7000 28-Jan-86 156.2500 29-Jan-86 156.4000 30-Jan-86 155.8000 31-Jan-86 155.7000 3-Feb-86 156.5000 4-Feb-86 157.7000 5-Feb-86 156.0000 6-Feb-86 155.6500 7-Feb-86 156.5000 10-Feb-86 155.6000 11-Feb-86 154.7500 12-Feb-86 154.1500 13-Feb-86 153.8000 14-Feb-86 153.2000 17-Feb-86 ND 18-Feb-86 153.0000 19-Feb-86 150.2000 20-Feb-86 151.0000 21-Feb-86 151.5000 24-Feb-86 150.1000 25-Feb-86 148.4000 26-Feb-86 147.5000 27-Feb-86 146.9000 28-Feb-86 147.6000 3-Mar-86 148.0000 4-Mar-86 147.0000 5-Mar-86 148.0000 6-Mar-86 148.7000 7-Mar-86 147.9000 10-Mar-86 149.7500 11-Mar-86 148.8500 12-Mar-86 150.0000 13-Mar-86 150.3000 14-Mar-86 148.5200 17-Mar-86 148.3000 18-Mar-86 148.2000 19-Mar-86 148.5000 20-Mar-86 148.5000 21-Mar-86 147.9000 24-Mar-86 149.9000 25-Mar-86 152.0000 26-Mar-86 152.0000 27-Mar-86 152.5000 28-Mar-86 151.8000 31-Mar-86 150.7500 1-Apr-86 151.8500 2-Apr-86 153.0000 3-Apr-86 154.1000 4-Apr-86 168.0000 7-Apr-86 156.0000 8-Apr-86 153.2500 9-Apr-86 153.2500 10-Apr-86 153.6000 11-Apr-86 151.7000 14-Apr-86 152.3500 15-Apr-86 152.0000 16-Apr-86 149.4000 17-Apr-86 148.0000 18-Apr-86 148.0000 21-Apr-86 147.8500 22-Apr-86 146.9000 23-Apr-86 146.9500 24-Apr-86 147.1000 25-Apr-86 146.5000 28-Apr-86 145.8000 29-Apr-86 146.2500 30-Apr-86 145.5000 1-May-86 147.2000 2-May-86 147.5000 5-May-86 147.5000 6-May-86 147.5000 7-May-86 147.3000 8-May-86 146.0000 9-May-86 146.5000 12-May-86 145.9000 13-May-86 147.4000 14-May-86 147.3000 15-May-86 147.1500 16-May-86 148.5000 19-May-86 149.1000 20-May-86 149.9500 21-May-86 150.1000 22-May-86 152.0000 23-May-86 152.2000 26-May-86 ND 27-May-86 152.0000 28-May-86 152.3000 29-May-86 153.4000 30-May-86 154.7000 2-Jun-86 154.8000 3-Jun-86 152.6500 4-Jun-86 152.5500 5-Jun-86 150.9000 6-Jun-86 150.3000 9-Jun-86 150.9000 10-Jun-86 150.2500 11-Jun-86 149.6000 12-Jun-86 149.4500 13-Jun-86 149.7000 16-Jun-86 149.5000 17-Jun-86 151.0500 18-Jun-86 151.7500 19-Jun-86 151.5000 20-Jun-86 152.0500 23-Jun-86 152.8500 24-Jun-86 151.0000 25-Jun-86 150.5500 26-Jun-86 151.1000 27-Jun-86 150.7500 30-Jun-86 149.7500 1-Jul-86 148.7500 2-Jul-86 148.7000 3-Jul-86 148.4500 4-Jul-86 ND 7-Jul-86 149.5000 8-Jul-86 149.1000 9-Jul-86 149.4500 10-Jul-86 148.9500 11-Jul-86 150.3500 14-Jul-86 150.2000 15-Jul-86 149.3000 16-Jul-86 148.3500 17-Jul-86 148.0000 18-Jul-86 147.7500 21-Jul-86 147.7000 22-Jul-86 148.7500 23-Jul-86 148.8000 24-Jul-86 148.5000 25-Jul-86 149.2000 28-Jul-86 148.3000 29-Jul-86 148.0000 30-Jul-86 147.3000 31-Jul-86 147.3000 1-Aug-86 146.9000 4-Aug-86 146.6000 5-Aug-86 147.2500 6-Aug-86 146.1700 7-Aug-86 146.0500 8-Aug-86 146.2000 11-Aug-86 145.8500 12-Aug-86 146.7500 13-Aug-86 146.2000 14-Aug-86 146.0500 15-Aug-86 146.3000 18-Aug-86 146.5000 19-Aug-86 145.5500 20-Aug-86 145.2500 21-Aug-86 145.7000 22-Aug-86 146.0000 25-Aug-86 146.0000 26-Aug-86 146.3000 27-Aug-86 146.1500 28-Aug-86 146.2000 29-Aug-86 145.6500 1-Sep-86 ND 2-Sep-86 145.4500 3-Sep-86 144.9000 4-Sep-86 145.2500 5-Sep-86 146.1500 8-Sep-86 147.2500 9-Sep-86 147.0000 10-Sep-86 147.3500 11-Sep-86 149.0500 12-Sep-86 147.5000 15-Sep-86 147.3000 16-Sep-86 147.2500 17-Sep-86 146.3500 18-Sep-86 144.7000 19-Sep-86 144.8500 22-Sep-86 146.9000 23-Sep-86 147.7000 24-Sep-86 147.7500 25-Sep-86 148.0500 26-Sep-86 148.3000 29-Sep-86 147.3500 30-Sep-86 147.0500 1-Oct-86 147.0500 2-Oct-86 146.1500 3-Oct-86 145.9000 6-Oct-86 146.0000 7-Oct-86 146.2500 8-Oct-86 146.5000 9-Oct-86 146.6000 10-Oct-86 146.6000 13-Oct-86 ND 14-Oct-86 145.3500 15-Oct-86 145.1500 16-Oct-86 145.2500 17-Oct-86 145.8000 20-Oct-86 146.5000 21-Oct-86 146.5500 22-Oct-86 146.1000 23-Oct-86 147.1000 24-Oct-86 149.5500 27-Oct-86 150.5000 28-Oct-86 149.1500 29-Oct-86 149.0000 30-Oct-86 150.5000 31-Oct-86 151.7500 3-Nov-86 151.3000 4-Nov-86 150.8000 5-Nov-86 151.0500 6-Nov-86 150.9500 7-Nov-86 151.1500 10-Nov-86 149.7500 11-Nov-86 ND 12-Nov-86 149.2000 13-Nov-86 149.3000 14-Nov-86 148.3500 17-Nov-86 148.8000 18-Nov-86 149.0000 19-Nov-86 148.8000 20-Nov-86 148.9000 21-Nov-86 149.9500 24-Nov-86 149.9000 25-Nov-86 148.5500 26-Nov-86 148.3000 27-Nov-86 ND 28-Nov-86 147.6000 1-Dec-86 147.0000 2-Dec-86 147.3500 3-Dec-86 147.5000 4-Dec-86 148.3500 5-Dec-86 148.7000 8-Dec-86 149.7500 9-Dec-86 149.9000 10-Dec-86 149.2500 11-Dec-86 150.0500 12-Dec-86 150.3000 15-Dec-86 149.8500 16-Dec-86 150.0000 17-Dec-86 150.0500 18-Dec-86 149.8500 19-Dec-86 149.7500 22-Dec-86 148.5000 23-Dec-86 147.7000 24-Dec-86 147.6000 25-Dec-86 ND 26-Dec-86 147.2000 29-Dec-86 146.8000 30-Dec-86 146.9000 31-Dec-86 147.0000 1-Jan-87 ND 2-Jan-87 144.9000 5-Jan-87 146.0000 6-Jan-87 145.5000 7-Jan-87 146.0000 8-Jan-87 145.9000 9-Jan-87 146.2000 12-Jan-87 144.1000 13-Jan-87 143.5500 14-Jan-87 142.0000 15-Jan-87 141.3000 16-Jan-87 142.0000 19-Jan-87 ND 20-Jan-87 141.7500 21-Jan-87 142.3000 22-Jan-87 141.0000 23-Jan-87 142.0000 26-Jan-87 141.9000 27-Jan-87 140.6000 28-Jan-87 139.2500 29-Jan-87 139.8000 30-Jan-87 142.0000 2-Feb-87 141.4500 3-Feb-87 140.2500 4-Feb-87 141.4000 5-Feb-87 142.8000 6-Feb-87 143.6000 9-Feb-87 141.2500 10-Feb-87 140.0000 11-Feb-87 141.4000 12-Feb-87 141.4000 13-Feb-87 142.1500 16-Feb-87 ND 17-Feb-87 141.3000 18-Feb-87 142.0000 19-Feb-87 142.0000 20-Feb-87 141.6500 23-Feb-87 141.6200 24-Feb-87 142.0000 25-Feb-87 141.5500 26-Feb-87 141.2000 27-Feb-87 141.8000 2-Mar-87 141.7000 3-Mar-87 141.7000 4-Mar-87 141.6000 5-Mar-87 141.6500 6-Mar-87 141.6000 9-Mar-87 142.2000 10-Mar-87 142.1000 11-Mar-87 143.0000 12-Mar-87 142.6000 13-Mar-87 142.4500 16-Mar-87 141.8500 17-Mar-87 141.4000 18-Mar-87 141.4000 19-Mar-87 141.3000 20-Mar-87 141.4000 23-Mar-87 140.7000 24-Mar-87 140.7000 25-Mar-87 141.1000 26-Mar-87 141.0500 27-Mar-87 140.8000 30-Mar-87 139.9000 31-Mar-87 140.3000 1-Apr-87 141.0500 2-Apr-87 141.0000 3-Apr-87 140.7000 6-Apr-87 141.3000 7-Apr-87 141.4300 8-Apr-87 141.9500 9-Apr-87 141.0500 10-Apr-87 140.0000 13-Apr-87 140.1000 14-Apr-87 139.7500 15-Apr-87 139.9000 16-Apr-87 140.0000 17-Apr-87 140.7000 20-Apr-87 140.5000 21-Apr-87 140.2000 22-Apr-87 140.9000 23-Apr-87 140.5000 24-Apr-87 138.8000 27-Apr-87 138.5000 28-Apr-87 139.6000 29-Apr-87 139.2000 30-Apr-87 139.5000 1-May-87 138.4500 4-May-87 138.4500 5-May-87 137.7000 6-May-87 137.6000 7-May-87 137.9500 8-May-87 138.9500 11-May-87 137.7500 12-May-87 138.9000 13-May-87 139.0000 14-May-87 139.1500 15-May-87 138.4500 18-May-87 138.4500 19-May-87 138.8000 20-May-87 138.3000 21-May-87 138.8000 22-May-87 138.9000 25-May-87 ND 26-May-87 141.1500 27-May-87 142.1000 28-May-87 142.1000 29-May-87 142.7000 1-Jun-87 143.0000 2-Jun-87 140.5000 3-Jun-87 142.0000 4-Jun-87 141.7500 5-Jun-87 141.5000 8-Jun-87 141.0000 9-Jun-87 140.5000 10-Jun-87 140.0000 11-Jun-87 140.2000 12-Jun-87 141.0500 15-Jun-87 142.5000 16-Jun-87 142.5000 17-Jun-87 142.4500 18-Jun-87 142.3500 19-Jun-87 142.8500 22-Jun-87 143.4000 23-Jun-87 143.2500 24-Jun-87 142.6500 25-Jun-87 142.8500 26-Jun-87 143.3000 29-Jun-87 143.5000 30-Jun-87 143.6000 1-Jul-87 143.0500 2-Jul-87 143.3000 3-Jul-87 143.7000 6-Jul-87 143.9000 7-Jul-87 143.6000 8-Jul-87 143.8000 9-Jul-87 144.0000 10-Jul-87 144.5500 13-Jul-87 144.2500 14-Jul-87 144.6000 15-Jul-87 143.2000 16-Jul-87 143.7000 17-Jul-87 144.8500 20-Jul-87 145.5000 21-Jul-87 145.7500 22-Jul-87 145.5500 23-Jul-87 145.1000 24-Jul-87 144.9500 27-Jul-87 145.0500 28-Jul-87 145.3500 29-Jul-87 145.3300 30-Jul-87 145.5500 31-Jul-87 145.1500 3-Aug-87 145.6500 4-Aug-87 147.8500 5-Aug-87 147.2000 6-Aug-87 147.0000 7-Aug-87 147.7500 10-Aug-87 147.9500 11-Aug-87 148.1500 12-Aug-87 147.8000 13-Aug-87 147.5000 14-Aug-87 146.7000 17-Aug-87 146.9500 18-Aug-87 145.3000 19-Aug-87 144.6500 20-Aug-87 144.1500 21-Aug-87 143.4000 24-Aug-87 142.9500 25-Aug-87 143.2500 26-Aug-87 143.8500 27-Aug-87 143.2000 28-Aug-87 143.0500 31-Aug-87 142.6000 1-Sep-87 142.5500 2-Sep-87 142.0000 3-Sep-87 141.5000 4-Sep-87 141.5500 7-Sep-87 ND 8-Sep-87 141.4500 9-Sep-87 141.7000 10-Sep-87 142.5000 11-Sep-87 142.0500 14-Sep-87 143.7500 15-Sep-87 143.2500 16-Sep-87 143.0000 17-Sep-87 143.0500 18-Sep-87 142.4500 21-Sep-87 143.0500 22-Sep-87 143.3000 23-Sep-87 143.7500 24-Sep-87 143.6000 25-Sep-87 143.8000 28-Sep-87 143.8000 29-Sep-87 144.7000 30-Sep-87 144.9400 1-Oct-87 145.5000 2-Oct-87 145.1500 5-Oct-87 145.0500 6-Oct-87 144.6200 7-Oct-87 144.2500 8-Oct-87 144.0000 9-Oct-87 143.6000 12-Oct-87 ND 13-Oct-87 144.0000 14-Oct-87 143.4000 15-Oct-87 142.1500 16-Oct-87 142.3500 19-Oct-87 141.0500 20-Oct-87 143.1500 21-Oct-87 143.0500 22-Oct-87 143.5500 23-Oct-87 142.7500 26-Oct-87 140.8000 27-Oct-87 140.9500 28-Oct-87 139.9000 29-Oct-87 139.0500 30-Oct-87 140.8000 2-Nov-87 138.9000 3-Nov-87 138.9000 4-Nov-87 139.4000 5-Nov-87 136.1500 6-Nov-87 135.9000 9-Nov-87 135.3500 10-Nov-87 135.6500 11-Nov-87 ND 12-Nov-87 138.0000 13-Nov-87 138.2500 16-Nov-87 138.6000 17-Nov-87 137.1500 18-Nov-87 136.6500 19-Nov-87 136.9000 20-Nov-87 135.7000 23-Nov-87 135.9000 24-Nov-87 137.1500 25-Nov-87 135.8500 26-Nov-87 ND 27-Nov-87 135.6000 30-Nov-87 134.1000 1-Dec-87 134.6500 2-Dec-87 135.2000 3-Dec-87 135.0500 4-Dec-87 136.0500 7-Dec-87 136.1500 8-Dec-87 135.7500 9-Dec-87 135.3500 10-Dec-87 134.2000 11-Dec-87 133.6000 14-Dec-87 133.3500 15-Dec-87 133.4000 16-Dec-87 133.6500 17-Dec-87 133.1000 18-Dec-87 133.5500 21-Dec-87 133.4500 22-Dec-87 133.3500 23-Dec-87 134.0000 24-Dec-87 133.7000 25-Dec-87 ND 28-Dec-87 131.2500 29-Dec-87 131.8000 30-Dec-87 132.1000 31-Dec-87 130.2000 1-Jan-88 ND 4-Jan-88 131.3500 5-Jan-88 134.6000 6-Jan-88 135.9000 7-Jan-88 135.0500 8-Jan-88 136.1500 11-Jan-88 134.6500 12-Jan-88 134.6000 13-Jan-88 134.3500 14-Jan-88 134.5000 15-Jan-88 138.6500 18-Jan-88 ND 19-Jan-88 137.5000 20-Jan-88 136.0500 21-Jan-88 136.0500 22-Jan-88 136.7500 25-Jan-88 137.1500 26-Jan-88 137.1500 27-Jan-88 136.9000 28-Jan-88 136.6500 29-Jan-88 137.4500 1-Feb-88 138.4000 2-Feb-88 137.7500 3-Feb-88 137.7500 4-Feb-88 138.4500 5-Feb-88 139.0000 8-Feb-88 138.6000 9-Feb-88 139.0000 10-Feb-88 138.2500 11-Feb-88 138.8000 12-Feb-88 140.3500 15-Feb-88 ND 16-Feb-88 139.8000 17-Feb-88 139.7500 18-Feb-88 139.4500 19-Feb-88 139.5500 22-Feb-88 138.7500 23-Feb-88 138.6000 24-Feb-88 138.6500 25-Feb-88 138.8000 26-Feb-88 138.5700 29-Feb-88 138.5000 1-Mar-88 138.4000 2-Mar-88 138.8000 3-Mar-88 138.9500 4-Mar-88 138.8800 7-Mar-88 137.4500 8-Mar-88 136.6500 9-Mar-88 136.6000 10-Mar-88 136.9000 11-Mar-88 136.8000 14-Mar-88 136.7000 15-Mar-88 136.6000 16-Mar-88 136.9500 17-Mar-88 138.5000 18-Mar-88 138.5500 21-Mar-88 138.2000 22-Mar-88 138.4500 23-Mar-88 138.3500 24-Mar-88 137.6500 25-Mar-88 137.4500 28-Mar-88 136.3000 29-Mar-88 136.5000 30-Mar-88 136.6000 31-Mar-88 135.8000 1-Apr-88 135.7500 4-Apr-88 135.6000 5-Apr-88 136.7000 6-Apr-88 136.5000 7-Apr-88 137.2000 8-Apr-88 137.0000 11-Apr-88 137.7500 12-Apr-88 138.1000 13-Apr-88 138.1300 14-Apr-88 136.2500 15-Apr-88 137.2500 18-Apr-88 135.9000 19-Apr-88 136.1000 20-Apr-88 136.0500 21-Apr-88 136.2500 22-Apr-88 136.4500 25-Apr-88 137.2500 26-Apr-88 137.0000 27-Apr-88 137.1500 28-Apr-88 136.7500 29-Apr-88 137.1000 2-May-88 137.9000 3-May-88 137.4000 4-May-88 137.6000 5-May-88 137.6000 6-May-88 137.7000 9-May-88 137.7000 10-May-88 137.3800 11-May-88 137.4800 12-May-88 137.6500 13-May-88 137.6900 16-May-88 138.0000 17-May-88 139.4500 18-May-88 139.4500 19-May-88 138.8500 20-May-88 139.3000 23-May-88 139.0000 24-May-88 138.7500 25-May-88 138.9000 26-May-88 139.4000 27-May-88 139.6000 30-May-88 ND 31-May-88 140.6000 1-Jun-88 140.8500 2-Jun-88 141.3000 3-Jun-88 141.2500 6-Jun-88 140.8500 7-Jun-88 140.5500 8-Jun-88 140.5000 9-Jun-88 140.9000 10-Jun-88 140.7000 13-Jun-88 141.1000 14-Jun-88 142.6000 15-Jun-88 142.9000 16-Jun-88 142.8700 17-Jun-88 143.2000 20-Jun-88 143.3500 21-Jun-88 143.4500 22-Jun-88 144.5500 23-Jun-88 145.7000 24-Jun-88 147.9000 27-Jun-88 148.5000 28-Jun-88 147.4000 29-Jun-88 148.7500 30-Jun-88 148.8500 1-Jul-88 149.1000 4-Jul-88 ND 5-Jul-88 149.1500 6-Jul-88 149.0500 7-Jul-88 148.5000 8-Jul-88 149.8000 11-Jul-88 150.7000 12-Jul-88 150.0500 13-Jul-88 150.5500 14-Jul-88 150.3500 15-Jul-88 152.2000 18-Jul-88 153.3500 19-Jul-88 152.0000 20-Jul-88 150.7000 21-Jul-88 150.0000 22-Jul-88 149.0000 25-Jul-88 150.0000 26-Jul-88 150.7000 27-Jul-88 150.1000 28-Jul-88 151.1000 29-Jul-88 152.1000 1-Aug-88 152.4000 2-Aug-88 152.2500 3-Aug-88 152.2500 4-Aug-88 152.4000 5-Aug-88 153.2000 8-Aug-88 154.0000 9-Aug-88 155.0000 10-Aug-88 155.4500 11-Aug-88 154.0000 12-Aug-88 152.7500 15-Aug-88 153.1000 16-Aug-88 152.1000 17-Aug-88 155.0000 18-Aug-88 154.4000 19-Aug-88 154.1000 22-Aug-88 156.1000 23-Aug-88 155.0500 24-Aug-88 155.0000 25-Aug-88 153.1000 26-Aug-88 152.9000 29-Aug-88 153.0000 30-Aug-88 153.5700 31-Aug-88 154.3500 1-Sep-88 154.5200 2-Sep-88 153.4800 5-Sep-88 ND 6-Sep-88 152.8500 7-Sep-88 152.6500 8-Sep-88 153.3000 9-Sep-88 153.1500 12-Sep-88 152.8500 13-Sep-88 153.0500 14-Sep-88 155.0500 15-Sep-88 154.6500 16-Sep-88 154.8000 19-Sep-88 154.3000 20-Sep-88 153.7000 21-Sep-88 154.4000 22-Sep-88 155.0000 23-Sep-88 154.6000 26-Sep-88 155.3500 27-Sep-88 155.2500 28-Sep-88 155.0500 29-Sep-88 155.3500 30-Sep-88 154.5000 3-Oct-88 153.8000 4-Oct-88 153.3500 5-Oct-88 153.6000 6-Oct-88 153.5500 7-Oct-88 153.3000 10-Oct-88 ND 11-Oct-88 152.4700 12-Oct-88 151.2500 13-Oct-88 150.0500 14-Oct-88 149.8500 17-Oct-88 149.6000 18-Oct-88 149.2500 19-Oct-88 149.5000 20-Oct-88 149.0500 21-Oct-88 147.8000 24-Oct-88 148.2000 25-Oct-88 148.2500 26-Oct-88 147.4500 27-Oct-88 147.0500 28-Oct-88 147.2000 31-Oct-88 148.0000 1-Nov-88 148.5500 2-Nov-88 147.5800 3-Nov-88 147.2500 4-Nov-88 148.7500 7-Nov-88 147.9500 8-Nov-88 148.4000 9-Nov-88 146.3500 10-Nov-88 146.2000 11-Nov-88 ND 14-Nov-88 145.4500 15-Nov-88 145.5500 16-Nov-88 144.4000 17-Nov-88 144.5500 18-Nov-88 144.6300 21-Nov-88 144.2000 22-Nov-88 143.5000 23-Nov-88 143.2000 24-Nov-88 ND 25-Nov-88 143.2000 28-Nov-88 144.3000 29-Nov-88 143.5300 30-Nov-88 143.9500 1-Dec-88 143.5500 2-Dec-88 143.5500 5-Dec-88 142.9500 6-Dec-88 143.7500 7-Dec-88 145.9000 8-Dec-88 144.4000 9-Dec-88 143.7000 12-Dec-88 144.5000 13-Dec-88 144.7500 14-Dec-88 144.3000 15-Dec-88 145.2000 16-Dec-88 146.8000 19-Dec-88 146.8000 20-Dec-88 147.6000 21-Dec-88 146.8000 22-Dec-88 146.7000 23-Dec-88 146.7500 26-Dec-88 ND 27-Dec-88 146.7500 28-Dec-88 147.6500 29-Dec-88 147.7500 30-Dec-88 146.6000 2-Jan-89 ND 3-Jan-89 145.6000 4-Jan-89 150.1000 5-Jan-89 147.5000 6-Jan-89 148.8000 9-Jan-89 149.8000 10-Jan-89 150.2000 11-Jan-89 150.0200 12-Jan-89 150.2000 13-Jan-89 150.7000 16-Jan-89 ND 17-Jan-89 152.2000 18-Jan-89 153.3000 19-Jan-89 153.2000 20-Jan-89 151.4500 23-Jan-89 150.8500 24-Jan-89 150.7000 25-Jan-89 151.3200 26-Jan-89 151.1500 27-Jan-89 152.2000 30-Jan-89 152.6000 31-Jan-89 153.1000 1-Feb-89 153.3000 2-Feb-89 153.9000 3-Feb-89 153.9000 6-Feb-89 153.7300 7-Feb-89 153.5000 8-Feb-89 153.5000 9-Feb-89 152.4000 10-Feb-89 152.2800 13-Feb-89 153.1000 14-Feb-89 151.5500 15-Feb-89 150.6500 16-Feb-89 151.3200 17-Feb-89 150.7000 20-Feb-89 ND 21-Feb-89 151.4000 22-Feb-89 151.7500 23-Feb-89 150.5500 24-Feb-89 150.9500 27-Feb-89 150.7500 28-Feb-89 150.6500 1-Mar-89 152.0500 2-Mar-89 152.2800 3-Mar-89 152.2000 6-Mar-89 152.7500 7-Mar-89 152.8000 8-Mar-89 152.9500 9-Mar-89 153.2300 10-Mar-89 153.5500 13-Mar-89 153.7800 14-Mar-89 153.2000 15-Mar-89 154.0500 16-Mar-89 154.1500 17-Mar-89 154.4500 20-Mar-89 154.6500 21-Mar-89 154.3000 22-Mar-89 154.2500 23-Mar-89 154.4000 24-Mar-89 154.7000 27-Mar-89 155.0000 28-Mar-89 156.0500 29-Mar-89 156.1000 30-Mar-89 156.0500 31-Mar-89 156.3000 3-Apr-89 155.3000 4-Apr-89 154.0500 5-Apr-89 154.4000 6-Apr-89 154.1300 7-Apr-89 154.7000 10-Apr-89 155.1000 11-Apr-89 155.4000 12-Apr-89 155.4400 13-Apr-89 154.9200 14-Apr-89 154.9000 17-Apr-89 153.9400 18-Apr-89 153.4000 19-Apr-89 154.1000 20-Apr-89 153.0500 21-Apr-89 153.4000 24-Apr-89 154.0500 25-Apr-89 154.6000 26-Apr-89 155.2000 27-Apr-89 155.2000 28-Apr-89 155.5000 1-May-89 155.5000 2-May-89 156.2000 3-May-89 156.1500 4-May-89 156.1000 5-May-89 157.0200 8-May-89 157.5300 9-May-89 158.1000 10-May-89 157.4000 11-May-89 158.1500 12-May-89 158.3000 15-May-89 160.4300 16-May-89 160.4500 17-May-89 162.6000 18-May-89 162.4000 19-May-89 162.7000 22-May-89 165.8000 23-May-89 165.7500 24-May-89 166.2500 25-May-89 164.5300 26-May-89 163.5500 29-May-89 ND 30-May-89 166.5500 31-May-89 164.1000 1-Jun-89 164.3000 2-Jun-89 162.6500 5-Jun-89 162.9000 6-Jun-89 165.1500 7-Jun-89 164.2000 8-Jun-89 164.6000 9-Jun-89 167.0000 12-Jun-89 168.4000 13-Jun-89 168.3500 14-Jun-89 168.5000 15-Jun-89 168.9500 16-Jun-89 166.1000 19-Jun-89 164.7000 20-Jun-89 164.8000 21-Jun-89 164.3500 22-Jun-89 164.0000 23-Jun-89 162.0000 26-Jun-89 163.5200 27-Jun-89 163.0500 28-Jun-89 163.7000 29-Jun-89 163.5500 30-Jun-89 163.5000 3-Jul-89 161.4500 4-Jul-89 ND 5-Jul-89 158.6000 6-Jul-89 158.2000 7-Jul-89 157.8500 10-Jul-89 156.3800 11-Jul-89 157.6000 12-Jul-89 157.3000 13-Jul-89 157.5800 14-Jul-89 159.0000 17-Jul-89 159.6000 18-Jul-89 158.3500 19-Jul-89 159.1000 20-Jul-89 159.1000 21-Jul-89 159.4500 24-Jul-89 159.5500 25-Jul-89 158.8500 26-Jul-89 157.2000 27-Jul-89 156.9000 28-Jul-89 157.8500 31-Jul-89 156.2500 1-Aug-89 156.4500 2-Aug-89 155.1800 3-Aug-89 156.4500 4-Aug-89 158.9500 7-Aug-89 159.9000 8-Aug-89 158.6500 9-Aug-89 158.8500 10-Aug-89 158.0000 11-Aug-89 162.3500 14-Aug-89 162.0500 15-Aug-89 162.4000 16-Aug-89 162.1500 17-Aug-89 164.2000 18-Aug-89 163.5500 21-Aug-89 163.1000 22-Aug-89 162.3000 23-Aug-89 163.2500 24-Aug-89 163.6800 25-Aug-89 163.4000 28-Aug-89 163.6000 29-Aug-89 162.0000 30-Aug-89 162.4000 31-Aug-89 163.6000 1-Sep-89 165.1000 4-Sep-89 ND 5-Sep-89 166.3000 6-Sep-89 165.3300 7-Sep-89 165.7500 8-Sep-89 164.9000 11-Sep-89 166.2500 12-Sep-89 165.9500 13-Sep-89 165.3500 14-Sep-89 164.6500 15-Sep-89 166.9000 18-Sep-89 163.5500 19-Sep-89 163.4500 20-Sep-89 162.7000 21-Sep-89 162.7500 22-Sep-89 163.4500 25-Sep-89 159.5000 26-Sep-89 159.2000 27-Sep-89 158.3000 28-Sep-89 159.1000 29-Sep-89 158.7000 2-Oct-89 158.8500 3-Oct-89 159.8200 4-Oct-89 159.0000 5-Oct-89 160.0500 6-Oct-89 160.3800 9-Oct-89 ND 10-Oct-89 158.3000 11-Oct-89 163.0000 12-Oct-89 162.3700 13-Oct-89 161.1000 16-Oct-89 159.2000 17-Oct-89 158.6500 18-Oct-89 158.6500 19-Oct-89 158.2000 20-Oct-89 159.2000 23-Oct-89 158.8500 24-Oct-89 157.8000 25-Oct-89 157.2800 26-Oct-89 157.6300 27-Oct-89 157.2500 30-Oct-89 157.6500 31-Oct-89 157.4000 1-Nov-89 157.7000 2-Nov-89 158.4000 3-Nov-89 158.5500 6-Nov-89 158.5000 7-Nov-89 157.9500 8-Nov-89 157.7300 9-Nov-89 158.1200 10-Nov-89 158.9000 13-Nov-89 159.0000 14-Nov-89 158.3200 15-Nov-89 157.9000 16-Nov-89 157.8000 17-Nov-89 158.4500 20-Nov-89 158.1000 21-Nov-89 157.5000 22-Nov-89 158.5000 23-Nov-89 ND 24-Nov-89 156.6500 27-Nov-89 156.1500 28-Nov-89 155.7500 29-Nov-89 155.5500 30-Nov-89 155.2000 1-Dec-89 155.2000 4-Dec-89 155.2700 5-Dec-89 155.2000 6-Dec-89 154.4500 7-Dec-89 154.7500 8-Dec-89 154.7000 11-Dec-89 154.3300 12-Dec-89 151.7500 13-Dec-89 152.6000 14-Dec-89 152.4000 15-Dec-89 151.5500 18-Dec-89 151.7700 19-Dec-89 152.5500 20-Dec-89 152.5000 21-Dec-89 151.6500 22-Dec-89 150.8500 25-Dec-89 ND 26-Dec-89 148.8500 27-Dec-89 148.1500 28-Dec-89 149.4000 29-Dec-89 148.8500