BELGIUM -- SPOT EXCHANGE RATE, FRANCS/US$
| Date | Rate |
|---|---|
| 4-Jan-71 | 49.7000 |
| 5-Jan-71 | 49.6800 |
| 6-Jan-71 | 49.6700 |
| 7-Jan-71 | 49.6600 |
| 8-Jan-71 | 49.6400 |
| 11-Jan-71 | 49.6400 |
| 12-Jan-71 | 49.6400 |
| 13-Jan-71 | 49.6300 |
| 14-Jan-71 | 49.6300 |
| 15-Jan-71 | 49.6300 |
| 18-Jan-71 | 49.6300 |
| 19-Jan-71 | 49.6300 |
| 20-Jan-71 | 49.6300 |
| 21-Jan-71 | 49.6300 |
| 22-Jan-71 | 49.6300 |
| 25-Jan-71 | 49.6400 |
| 26-Jan-71 | 49.6300 |
| 27-Jan-71 | 49.6300 |
| 28-Jan-71 | 49.6300 |
| 29-Jan-71 | 49.6300 |
| 1-Feb-71 | 49.6300 |
| 2-Feb-71 | 49.6400 |
| 3-Feb-71 | 49.6300 |
| 4-Feb-71 | 49.6300 |
| 5-Feb-71 | 49.6300 |
| 8-Feb-71 | 49.6400 |
| 9-Feb-71 | 49.6300 |
| 10-Feb-71 | 49.6400 |
| 11-Feb-71 | 49.6400 |
| 12-Feb-71 | ND |
| 15-Feb-71 | ND |
| 16-Feb-71 | 49.6300 |
| 17-Feb-71 | 49.6300 |
| 18-Feb-71 | 49.6300 |
| 19-Feb-71 | 49.6300 |
| 22-Feb-71 | 49.6300 |
| 23-Feb-71 | 49.6300 |
| 24-Feb-71 | 49.6300 |
| 25-Feb-71 | 49.6300 |
| 26-Feb-71 | 49.6300 |
| 1-Mar-71 | 49.6400 |
| 2-Mar-71 | 49.6400 |
| 3-Mar-71 | 49.6400 |
| 4-Mar-71 | 49.6300 |
| 5-Mar-71 | 49.6300 |
| 8-Mar-71 | 49.6300 |
| 9-Mar-71 | 49.6300 |
| 10-Mar-71 | 49.6300 |
| 11-Mar-71 | 49.6300 |
| 12-Mar-71 | 49.6300 |
| 15-Mar-71 | 49.6400 |
| 16-Mar-71 | 49.6400 |
| 17-Mar-71 | 49.6400 |
| 18-Mar-71 | 49.6500 |
| 19-Mar-71 | 49.6500 |
| 22-Mar-71 | 49.6500 |
| 23-Mar-71 | 49.6500 |
| 24-Mar-71 | 49.6500 |
| 25-Mar-71 | 49.6500 |
| 26-Mar-71 | 49.6500 |
| 29-Mar-71 | 49.6500 |
| 30-Mar-71 | 49.6400 |
| 31-Mar-71 | 49.6300 |
| 1-Apr-71 | 49.6300 |
| 2-Apr-71 | 49.6300 |
| 5-Apr-71 | 49.6400 |
| 6-Apr-71 | 49.6500 |
| 7-Apr-71 | 49.6400 |
| 8-Apr-71 | 49.6600 |
| 9-Apr-71 | 49.6600 |
| 12-Apr-71 | 49.6500 |
| 13-Apr-71 | 49.6800 |
| 14-Apr-71 | 49.6800 |
| 15-Apr-71 | 49.6400 |
| 16-Apr-71 | 49.6300 |
| 19-Apr-71 | 49.6500 |
| 20-Apr-71 | 49.6400 |
| 21-Apr-71 | 49.6300 |
| 22-Apr-71 | 49.6300 |
| 23-Apr-71 | 49.6300 |
| 26-Apr-71 | 49.6400 |
| 27-Apr-71 | 49.6400 |
| 28-Apr-71 | 49.6300 |
| 29-Apr-71 | 49.6300 |
| 30-Apr-71 | 49.6300 |
| 3-May-71 | 49.6300 |
| 4-May-71 | 49.6300 |
| 5-May-71 | 49.6200 |
| 6-May-71 | 49.5600 |
| 7-May-71 | 49.4900 |
| 10-May-71 | 49.0900 |
| 11-May-71 | 49.6300 |
| 12-May-71 | 49.6300 |
| 13-May-71 | 49.6300 |
| 14-May-71 | 49.6300 |
| 17-May-71 | 49.6300 |
| 18-May-71 | 49.6300 |
| 19-May-71 | 49.6300 |
| 20-May-71 | 49.6300 |
| 21-May-71 | 49.6300 |
| 24-May-71 | 49.6300 |
| 25-May-71 | 49.6300 |
| 26-May-71 | 49.6300 |
| 27-May-71 | 49.6500 |
| 28-May-71 | 49.6400 |
| 31-May-71 | ND |
| 1-Jun-71 | 49.6500 |
| 2-Jun-71 | 49.6600 |
| 3-Jun-71 | 49.6400 |
| 4-Jun-71 | 49.6300 |
| 7-Jun-71 | 49.6400 |
| 8-Jun-71 | 49.6500 |
| 9-Jun-71 | 49.6600 |
| 10-Jun-71 | 49.6900 |
| 11-Jun-71 | 49.7000 |
| 14-Jun-71 | 49.7300 |
| 15-Jun-71 | 49.8100 |
| 16-Jun-71 | 49.7900 |
| 17-Jun-71 | 49.8600 |
| 18-Jun-71 | 49.8200 |
| 21-Jun-71 | 49.8600 |
| 22-Jun-71 | 49.7600 |
| 23-Jun-71 | 49.6900 |
| 24-Jun-71 | 49.7000 |
| 25-Jun-71 | 49.7200 |
| 28-Jun-71 | 49.8200 |
| 29-Jun-71 | 49.8000 |
| 30-Jun-71 | 49.7500 |
| 1-Jul-71 | 49.7900 |
| 2-Jul-71 | 49.7600 |
| 5-Jul-71 | ND |
| 6-Jul-71 | 49.7800 |
| 7-Jul-71 | 49.7400 |
| 8-Jul-71 | 49.7300 |
| 9-Jul-71 | 49.7100 |
| 12-Jul-71 | 49.6500 |
| 13-Jul-71 | 49.6500 |
| 14-Jul-71 | 49.6300 |
| 15-Jul-71 | 49.6400 |
| 16-Jul-71 | 49.6300 |
| 19-Jul-71 | 49.6400 |
| 20-Jul-71 | 49.6400 |
| 21-Jul-71 | 49.6300 |
| 22-Jul-71 | 49.6300 |
| 23-Jul-71 | 49.6300 |
| 26-Jul-71 | 49.6300 |
| 27-Jul-71 | 49.6400 |
| 28-Jul-71 | 49.6400 |
| 29-Jul-71 | 49.6400 |
| 30-Jul-71 | 49.6300 |
| 2-Aug-71 | 49.6500 |
| 3-Aug-71 | 49.6600 |
| 4-Aug-71 | 49.6300 |
| 5-Aug-71 | 49.6300 |
| 6-Aug-71 | 49.6300 |
| 9-Aug-71 | 49.6300 |
| 10-Aug-71 | 49.6400 |
| 11-Aug-71 | 49.6300 |
| 12-Aug-71 | 49.6300 |
| 13-Aug-71 | 49.6300 |
| 16-Aug-71 | ND |
| 17-Aug-71 | ND |
| 18-Aug-71 | ND |
| 19-Aug-71 | ND |
| 20-Aug-71 | ND |
| 23-Aug-71 | 48.9000 |
| 24-Aug-71 | 48.5400 |
| 25-Aug-71 | 48.4100 |
| 26-Aug-71 | 48.3700 |
| 27-Aug-71 | 48.4200 |
| 30-Aug-71 | 48.1800 |
| 31-Aug-71 | 48.3100 |
| 1-Sep-71 | 48.4200 |
| 2-Sep-71 | 48.3000 |
| 3-Sep-71 | 48.3400 |
| 6-Sep-71 | ND |
| 7-Sep-71 | 48.3400 |
| 8-Sep-71 | 48.3600 |
| 9-Sep-71 | 48.3700 |
| 10-Sep-71 | 48.3300 |
| 13-Sep-71 | 48.2100 |
| 14-Sep-71 | 48.0900 |
| 15-Sep-71 | 48.0200 |
| 16-Sep-71 | 48.0600 |
| 17-Sep-71 | 47.9800 |
| 20-Sep-71 | 47.6700 |
| 21-Sep-71 | 47.5100 |
| 22-Sep-71 | 47.3600 |
| 23-Sep-71 | 47.1300 |
| 24-Sep-71 | 46.9700 |
| 27-Sep-71 | 47.1300 |
| 28-Sep-71 | 47.1600 |
| 29-Sep-71 | 47.1000 |
| 30-Sep-71 | 47.0500 |
| 1-Oct-71 | 47.0600 |
| 4-Oct-71 | 47.0800 |
| 5-Oct-71 | 47.1000 |
| 6-Oct-71 | 47.0300 |
| 7-Oct-71 | 46.9400 |
| 8-Oct-71 | 46.7100 |
| 11-Oct-71 | ND |
| 12-Oct-71 | 46.7700 |
| 13-Oct-71 | 46.8300 |
| 14-Oct-71 | 46.9200 |
| 15-Oct-71 | 46.8900 |
| 18-Oct-71 | 46.8600 |
| 19-Oct-71 | 46.8100 |
| 20-Oct-71 | 46.7300 |
| 21-Oct-71 | 46.7500 |
| 22-Oct-71 | 46.7300 |
| 25-Oct-71 | ND |
| 26-Oct-71 | 46.6900 |
| 27-Oct-71 | 47.1000 |
| 28-Oct-71 | 46.6300 |
| 29-Oct-71 | 46.6200 |
| 1-Nov-71 | 46.6100 |
| 2-Nov-71 | ND |
| 3-Nov-71 | 46.4900 |
| 4-Nov-71 | 46.4400 |
| 5-Nov-71 | 46.4000 |
| 8-Nov-71 | 46.4000 |
| 9-Nov-71 | 46.4000 |
| 10-Nov-71 | 46.4700 |
| 11-Nov-71 | 46.4700 |
| 12-Nov-71 | 46.4700 |
| 15-Nov-71 | 46.4700 |
| 16-Nov-71 | 46.4900 |
| 17-Nov-71 | 46.4600 |
| 18-Nov-71 | 46.4400 |
| 19-Nov-71 | 46.2300 |
| 22-Nov-71 | 46.2000 |
| 23-Nov-71 | 46.1200 |
| 24-Nov-71 | 45.9700 |
| 25-Nov-71 | ND |
| 26-Nov-71 | 46.1400 |
| 29-Nov-71 | 46.1900 |
| 30-Nov-71 | 46.2700 |
| 1-Dec-71 | 46.1100 |
| 2-Dec-71 | 45.9200 |
| 3-Dec-71 | 45.6800 |
| 6-Dec-71 | 45.5700 |
| 7-Dec-71 | 45.6600 |
| 8-Dec-71 | 45.8500 |
| 9-Dec-71 | 45.7500 |
| 10-Dec-71 | 45.7400 |
| 13-Dec-71 | 45.6600 |
| 14-Dec-71 | 45.5200 |
| 15-Dec-71 | 45.5100 |
| 16-Dec-71 | 45.5500 |
| 17-Dec-71 | 45.5400 |
| 20-Dec-71 | ND |
| 21-Dec-71 | 45.3900 |
| 22-Dec-71 | 45.3600 |
| 23-Dec-71 | 45.2500 |
| 24-Dec-71 | 45.1500 |
| 27-Dec-71 | 45.2600 |
| 28-Dec-71 | 45.2500 |
| 29-Dec-71 | 45.2400 |
| 30-Dec-71 | 44.8900 |
| 31-Dec-71 | 44.8200 |
| 3-Jan-72 | 44.9400 |
| 4-Jan-72 | 45.0000 |
| 5-Jan-72 | 44.9400 |
| 6-Jan-72 | 44.9400 |
| 7-Jan-72 | 44.8800 |
| 10-Jan-72 | 44.7700 |
| 11-Jan-72 | 44.7000 |
| 12-Jan-72 | 44.5400 |
| 13-Jan-72 | 44.4400 |
| 14-Jan-72 | 44.2300 |
| 17-Jan-72 | 44.2000 |
| 18-Jan-72 | 44.2200 |
| 19-Jan-72 | 44.2300 |
| 20-Jan-72 | 44.2000 |
| 21-Jan-72 | 44.2500 |
| 24-Jan-72 | 44.1600 |
| 25-Jan-72 | 44.0400 |
| 26-Jan-72 | 44.0500 |
| 27-Jan-72 | 44.0300 |
| 28-Jan-72 | 44.0300 |
| 31-Jan-72 | 43.9900 |
| 1-Feb-72 | 43.8800 |
| 2-Feb-72 | 43.8100 |
| 3-Feb-72 | 43.8400 |
| 4-Feb-72 | 43.9200 |
| 7-Feb-72 | 43.8800 |
| 8-Feb-72 | 43.8500 |
| 9-Feb-72 | 43.8400 |
| 10-Feb-72 | 43.8200 |
| 11-Feb-72 | 43.8300 |
| 14-Feb-72 | 43.8600 |
| 15-Feb-72 | 43.8400 |
| 16-Feb-72 | 43.8400 |
| 17-Feb-72 | 43.8200 |
| 18-Feb-72 | 43.8100 |
| 21-Feb-72 | ND |
| 22-Feb-72 | 43.8200 |
| 23-Feb-72 | 43.8200 |
| 24-Feb-72 | 43.8200 |
| 25-Feb-72 | 43.8200 |
| 28-Feb-72 | 43.8400 |
| 29-Feb-72 | 43.8600 |
| 1-Mar-72 | 43.8300 |
| 2-Mar-72 | 43.8200 |
| 3-Mar-72 | 43.8200 |
| 6-Mar-72 | 43.8200 |
| 7-Mar-72 | 43.8100 |
| 8-Mar-72 | 43.8000 |
| 9-Mar-72 | 43.8600 |
| 10-Mar-72 | 43.9500 |
| 13-Mar-72 | 43.9200 |
| 14-Mar-72 | 43.9200 |
| 15-Mar-72 | 43.9800 |
| 16-Mar-72 | 43.9600 |
| 17-Mar-72 | 44.0100 |
| 20-Mar-72 | 44.0300 |
| 21-Mar-72 | 43.9700 |
| 22-Mar-72 | 43.9700 |
| 23-Mar-72 | 44.0500 |
| 24-Mar-72 | 44.1100 |
| 27-Mar-72 | 44.0200 |
| 28-Mar-72 | 44.0200 |
| 29-Mar-72 | 44.0000 |
| 30-Mar-72 | 43.9900 |
| 31-Mar-72 | 44.0000 |
| 3-Apr-72 | 43.9700 |
| 4-Apr-72 | 43.9900 |
| 5-Apr-72 | 43.9900 |
| 6-Apr-72 | 43.9900 |
| 7-Apr-72 | 44.0100 |
| 10-Apr-72 | 44.0000 |
| 11-Apr-72 | 44.0000 |
| 12-Apr-72 | 44.0600 |
| 13-Apr-72 | 44.1200 |
| 14-Apr-72 | 44.1400 |
| 17-Apr-72 | 44.1800 |
| 18-Apr-72 | 44.3200 |
| 19-Apr-72 | 44.3200 |
| 20-Apr-72 | 44.1500 |
| 21-Apr-72 | 44.1200 |
| 24-Apr-72 | 44.1200 |
| 25-Apr-72 | 44.1000 |
| 26-Apr-72 | 44.2200 |
| 27-Apr-72 | 44.1900 |
| 28-Apr-72 | 44.1300 |
| 1-May-72 | 44.1100 |
| 2-May-72 | 44.0600 |
| 3-May-72 | 44.0200 |
| 4-May-72 | 44.0200 |
| 5-May-72 | 44.0700 |
| 8-May-72 | 44.0800 |
| 9-May-72 | 43.9900 |
| 10-May-72 | 43.9300 |
| 11-May-72 | 44.0100 |
| 12-May-72 | 43.9800 |
| 15-May-72 | 44.0100 |
| 16-May-72 | 44.0300 |
| 17-May-72 | 43.9900 |
| 18-May-72 | 43.9700 |
| 19-May-72 | 43.9400 |
| 22-May-72 | 43.9400 |
| 23-May-72 | 43.9400 |
| 24-May-72 | 43.9100 |
| 25-May-72 | 43.9100 |
| 26-May-72 | 43.9300 |
| 29-May-72 | ND |
| 30-May-72 | 43.9000 |
| 31-May-72 | 43.8600 |
| 1-Jun-72 | 43.8300 |
| 2-Jun-72 | 43.8300 |
| 5-Jun-72 | 43.8700 |
| 6-Jun-72 | 43.9100 |
| 7-Jun-72 | 43.8800 |
| 8-Jun-72 | 43.8700 |
| 9-Jun-72 | 43.8900 |
| 12-Jun-72 | 43.9000 |
| 13-Jun-72 | 43.8600 |
| 14-Jun-72 | 43.8200 |
| 15-Jun-72 | 43.9100 |
| 16-Jun-72 | 44.0500 |
| 19-Jun-72 | 44.0600 |
| 20-Jun-72 | 44.1700 |
| 21-Jun-72 | 44.2500 |
| 22-Jun-72 | 44.4500 |
| 23-Jun-72 | 43.8300 |
| 26-Jun-72 | 43.8100 |
| 27-Jun-72 | 43.9600 |
| 28-Jun-72 | 43.8900 |
| 29-Jun-72 | 43.8600 |
| 30-Jun-72 | 43.8200 |
| 3-Jul-72 | 43.8200 |
| 4-Jul-72 | ND |
| 5-Jul-72 | 43.8300 |
| 6-Jul-72 | 43.8200 |
| 7-Jul-72 | 43.8200 |
| 10-Jul-72 | 43.8200 |
| 11-Jul-72 | 43.8500 |
| 12-Jul-72 | 43.8400 |
| 13-Jul-72 | 43.8200 |
| 14-Jul-72 | 43.8000 |
| 17-Jul-72 | 43.8600 |
| 18-Jul-72 | 43.8300 |
| 19-Jul-72 | 43.8400 |
| 20-Jul-72 | 43.8600 |
| 21-Jul-72 | 43.8500 |
| 24-Jul-72 | 43.8600 |
| 25-Jul-72 | 43.8300 |
| 26-Jul-72 | 43.8200 |
| 27-Jul-72 | 43.8200 |
| 28-Jul-72 | 43.8400 |
| 31-Jul-72 | 43.8200 |
| 1-Aug-72 | 43.8200 |
| 2-Aug-72 | 43.8200 |
| 3-Aug-72 | 43.8200 |
| 4-Aug-72 | 43.8200 |
| 7-Aug-72 | 43.8100 |
| 8-Aug-72 | 43.8200 |
| 9-Aug-72 | 43.8200 |
| 10-Aug-72 | 43.8200 |
| 11-Aug-72 | 43.8400 |
| 14-Aug-72 | 43.8400 |
| 15-Aug-72 | 43.8400 |
| 16-Aug-72 | 43.8800 |
| 17-Aug-72 | 43.8900 |
| 18-Aug-72 | 43.8800 |
| 21-Aug-72 | 43.9200 |
| 22-Aug-72 | 43.8700 |
| 23-Aug-72 | 43.8700 |
| 24-Aug-72 | 43.8800 |
| 25-Aug-72 | 43.9300 |
| 28-Aug-72 | 43.9400 |
| 29-Aug-72 | 43.9800 |
| 30-Aug-72 | 43.9300 |
| 31-Aug-72 | 43.9500 |
| 1-Sep-72 | 43.9500 |
| 4-Sep-72 | ND |
| 5-Sep-72 | 43.9500 |
| 6-Sep-72 | 43.9300 |
| 7-Sep-72 | 43.8900 |
| 8-Sep-72 | 43.9000 |
| 11-Sep-72 | 43.9000 |
| 12-Sep-72 | 43.9200 |
| 13-Sep-72 | 43.9100 |
| 14-Sep-72 | 43.9100 |
| 15-Sep-72 | 43.9400 |
| 18-Sep-72 | 43.9800 |
| 19-Sep-72 | 43.9900 |
| 20-Sep-72 | 43.9700 |
| 21-Sep-72 | 43.9600 |
| 22-Sep-72 | 43.9500 |
| 25-Sep-72 | 43.9600 |
| 26-Sep-72 | 44.0300 |
| 27-Sep-72 | 44.0400 |
| 28-Sep-72 | 44.1100 |
| 29-Sep-72 | 44.2500 |
| 2-Oct-72 | 44.3600 |
| 3-Oct-72 | 44.3700 |
| 4-Oct-72 | 44.1800 |
| 5-Oct-72 | 44.0500 |
| 6-Oct-72 | 44.1000 |
| 9-Oct-72 | ND |
| 10-Oct-72 | 44.1500 |
| 11-Oct-72 | 44.1800 |
| 12-Oct-72 | 44.2100 |
| 13-Oct-72 | 44.1600 |
| 16-Oct-72 | 44.1800 |
| 17-Oct-72 | 44.1700 |
| 18-Oct-72 | 44.1500 |
| 19-Oct-72 | 44.1400 |
| 20-Oct-72 | 44.1400 |
| 23-Oct-72 | ND |
| 24-Oct-72 | 44.1700 |
| 25-Oct-72 | 44.1200 |
| 26-Oct-72 | 44.1300 |
| 27-Oct-72 | 44.1600 |
| 30-Oct-72 | 44.1800 |
| 31-Oct-72 | 44.1200 |
| 1-Nov-72 | 44.0900 |
| 2-Nov-72 | 44.1000 |
| 3-Nov-72 | 44.1100 |
| 6-Nov-72 | 44.1300 |
| 7-Nov-72 | ND |
| 8-Nov-72 | 44.1200 |
| 9-Nov-72 | 44.1000 |
| 10-Nov-72 | 44.0900 |
| 13-Nov-72 | 44.1000 |
| 14-Nov-72 | 44.1000 |
| 15-Nov-72 | 44.0900 |
| 16-Nov-72 | 44.0200 |
| 17-Nov-72 | 44.0800 |
| 20-Nov-72 | 44.1000 |
| 21-Nov-72 | 44.0900 |
| 22-Nov-72 | 44.0600 |
| 23-Nov-72 | ND |
| 24-Nov-72 | 44.0700 |
| 27-Nov-72 | 44.0200 |
| 28-Nov-72 | 44.0600 |
| 29-Nov-72 | 44.0400 |
| 30-Nov-72 | 44.0600 |
| 1-Dec-72 | 44.0700 |
| 4-Dec-72 | 44.0900 |
| 5-Dec-72 | 44.0800 |
| 6-Dec-72 | 44.0400 |
| 7-Dec-72 | 44.0600 |
| 8-Dec-72 | 44.0700 |
| 11-Dec-72 | 44.0900 |
| 12-Dec-72 | 44.1000 |
| 13-Dec-72 | 44.0900 |
| 14-Dec-72 | 44.0900 |
| 15-Dec-72 | 44.1500 |
| 18-Dec-72 | 44.1400 |
| 19-Dec-72 | 44.2000 |
| 20-Dec-72 | 44.1600 |
| 21-Dec-72 | 44.1200 |
| 22-Dec-72 | 44.1700 |
| 25-Dec-72 | ND |
| 26-Dec-72 | 44.1900 |
| 27-Dec-72 | 44.1500 |
| 28-Dec-72 | 44.1100 |
| 29-Dec-72 | 44.0700 |
| 1-Jan-73 | ND |
| 2-Jan-73 | 44.0900 |
| 3-Jan-73 | 44.1000 |
| 4-Jan-73 | 44.2300 |
| 5-Jan-73 | 44.2300 |
| 8-Jan-73 | 44.1900 |
| 9-Jan-73 | 44.1800 |
| 10-Jan-73 | 44.1400 |
| 11-Jan-73 | 44.1700 |
| 12-Jan-73 | 44.1800 |
| 15-Jan-73 | 44.2300 |
| 16-Jan-73 | 44.2500 |
| 17-Jan-73 | 44.2400 |
| 18-Jan-73 | 44.2500 |
| 19-Jan-73 | 44.2600 |
| 22-Jan-73 | 44.1000 |
| 23-Jan-73 | 44.1000 |
| 24-Jan-73 | 44.0600 |
| 25-Jan-73 | 44.0400 |
| 26-Jan-73 | 44.0400 |
| 29-Jan-73 | 43.9700 |
| 30-Jan-73 | 43.8200 |
| 31-Jan-73 | 43.8200 |
| 1-Feb-73 | 43.7700 |
| 2-Feb-73 | 43.9000 |
| 5-Feb-73 | 43.8700 |
| 6-Feb-73 | 43.8900 |
| 7-Feb-73 | 43.8300 |
| 8-Feb-73 | 43.8100 |
| 9-Feb-73 | 43.8100 |
| 12-Feb-73 | ND |
| 13-Feb-73 | 41.3700 |
| 14-Feb-73 | 40.9400 |
| 15-Feb-73 | 40.9000 |
| 16-Feb-73 | 40.8300 |
| 19-Feb-73 | ND |
| 20-Feb-73 | 40.8200 |
| 21-Feb-73 | 40.8100 |
| 22-Feb-73 | 40.4300 |
| 23-Feb-73 | 39.8400 |
| 26-Feb-73 | 39.8000 |
| 27-Feb-73 | 39.7900 |
| 28-Feb-73 | 39.4500 |
| 1-Mar-73 | 39.3700 |
| 2-Mar-73 | 38.8300 |
| 5-Mar-73 | 39.3000 |
| 6-Mar-73 | 39.2200 |
| 7-Mar-73 | 39.3000 |
| 8-Mar-73 | 39.1000 |
| 9-Mar-73 | 38.9900 |
| 12-Mar-73 | 38.4600 |
| 13-Mar-73 | 38.7600 |
| 14-Mar-73 | 39.3700 |
| 15-Mar-73 | 39.3000 |
| 16-Mar-73 | 39.4100 |
| 19-Mar-73 | 39.7200 |
| 20-Mar-73 | 39.6500 |
| 21-Mar-73 | 39.6800 |
| 22-Mar-73 | 39.6000 |
| 23-Mar-73 | 39.6400 |
| 26-Mar-73 | 39.6700 |
| 27-Mar-73 | 39.7300 |
| 28-Mar-73 | 39.8100 |
| 29-Mar-73 | 39.9500 |
| 30-Mar-73 | 40.1200 |
| 2-Apr-73 | 40.2000 |
| 3-Apr-73 | 40.3100 |
| 4-Apr-73 | 40.0500 |
| 5-Apr-73 | 39.9800 |
| 6-Apr-73 | 40.0600 |
| 9-Apr-73 | 40.0500 |
| 10-Apr-73 | 40.0800 |
| 11-Apr-73 | 40.0500 |
| 12-Apr-73 | 40.0400 |
| 13-Apr-73 | 40.0600 |
| 16-Apr-73 | 40.1000 |
| 17-Apr-73 | 40.1100 |
| 18-Apr-73 | 40.1800 |
| 19-Apr-73 | 40.2600 |
| 20-Apr-73 | 40.2300 |
| 23-Apr-73 | 40.2100 |
| 24-Apr-73 | 40.2600 |
| 25-Apr-73 | 40.3000 |
| 26-Apr-73 | 40.3100 |
| 27-Apr-73 | 40.3600 |
| 30-Apr-73 | 40.3400 |
| 1-May-73 | 40.3100 |
| 2-May-73 | 40.2900 |
| 3-May-73 | 40.2700 |
| 4-May-73 | 40.2700 |
| 7-May-73 | 40.3000 |
| 8-May-73 | 40.2700 |
| 9-May-73 | 40.1600 |
| 10-May-73 | 40.1600 |
| 11-May-73 | 40.0800 |
| 14-May-73 | 39.5500 |
| 15-May-73 | 39.1000 |
| 16-May-73 | 39.1700 |
| 17-May-73 | 39.2800 |
| 18-May-73 | 39.1800 |
| 21-May-73 | 38.6600 |
| 22-May-73 | 38.7200 |
| 23-May-73 | 38.7100 |
| 24-May-73 | 38.8300 |
| 25-May-73 | 38.9600 |
| 28-May-73 | ND |
| 29-May-73 | 38.6700 |
| 30-May-73 | 38.5000 |
| 31-May-73 | 38.4800 |
| 1-Jun-73 | 38.0400 |
| 4-Jun-73 | 37.4000 |
| 5-Jun-73 | 37.3800 |
| 6-Jun-73 | 38.1700 |
| 7-Jun-73 | 38.3000 |
| 8-Jun-73 | 37.9800 |
| 11-Jun-73 | 38.0200 |
| 12-Jun-73 | 37.9000 |
| 13-Jun-73 | 38.0200 |
| 14-Jun-73 | 37.9900 |
| 15-Jun-73 | 37.7700 |
| 18-Jun-73 | 37.5600 |
| 19-Jun-73 | 37.6000 |
| 20-Jun-73 | 37.6100 |
| 21-Jun-73 | 37.4500 |
| 22-Jun-73 | 37.3400 |
| 25-Jun-73 | 37.3500 |
| 26-Jun-73 | 37.2400 |
| 27-Jun-73 | 36.8300 |
| 28-Jun-73 | 36.2200 |
| 29-Jun-73 | 36.2000 |
| 2-Jul-73 | 35.9700 |
| 3-Jul-73 | 35.9700 |
| 4-Jul-73 | ND |
| 5-Jul-73 | 35.1200 |
| 6-Jul-73 | 34.5400 |
| 9-Jul-73 | 34.7200 |
| 10-Jul-73 | 36.5500 |
| 11-Jul-73 | 36.5500 |
| 12-Jul-73 | 36.1000 |
| 13-Jul-73 | 36.0800 |
| 16-Jul-73 | 35.8400 |
| 17-Jul-73 | 35.2500 |
| 18-Jul-73 | 35.0800 |
| 19-Jul-73 | 35.7000 |
| 20-Jul-73 | 35.4500 |
| 23-Jul-73 | 35.2000 |
| 24-Jul-73 | 35.2400 |
| 25-Jul-73 | 35.2300 |
| 26-Jul-73 | 35.1500 |
| 27-Jul-73 | 35.2700 |
| 30-Jul-73 | 35.6100 |
| 31-Jul-73 | 35.5200 |
| 1-Aug-73 | 35.5000 |
| 2-Aug-73 | 35.6800 |
| 3-Aug-73 | 35.7100 |
| 6-Aug-73 | 36.1000 |
| 7-Aug-73 | 35.9600 |
| 8-Aug-73 | 36.0000 |
| 9-Aug-73 | 36.1700 |
| 10-Aug-73 | 36.6000 |
| 13-Aug-73 | 36.7000 |
| 14-Aug-73 | 37.4200 |
| 15-Aug-73 | 37.4500 |
| 16-Aug-73 | 37.9100 |
| 17-Aug-73 | 37.8400 |
| 20-Aug-73 | 36.9900 |
| 21-Aug-73 | 37.5500 |
| 22-Aug-73 | 37.7300 |
| 23-Aug-73 | 37.9000 |
| 24-Aug-73 | 37.6600 |
| 27-Aug-73 | 37.7300 |
| 28-Aug-73 | 37.7500 |
| 29-Aug-73 | 37.5400 |
| 30-Aug-73 | 37.6400 |
| 31-Aug-73 | 37.6400 |
| 3-Sep-73 | ND |
| 4-Sep-73 | 37.5500 |
| 5-Sep-73 | 37.2800 |
| 6-Sep-73 | 37.3100 |
| 7-Sep-73 | 37.1300 |
| 10-Sep-73 | 37.2400 |
| 11-Sep-73 | 37.3300 |
| 12-Sep-73 | 37.2900 |
| 13-Sep-73 | 37.3200 |
| 14-Sep-73 | 37.3000 |
| 17-Sep-73 | 36.4600 |
| 18-Sep-73 | 36.4300 |
| 19-Sep-73 | 36.5600 |
| 20-Sep-73 | 36.1300 |
| 21-Sep-73 | 36.3500 |
| 24-Sep-73 | 36.5200 |
| 25-Sep-73 | 36.6300 |
| 26-Sep-73 | 36.7500 |
| 27-Sep-73 | 37.0500 |
| 28-Sep-73 | 36.8200 |
| 1-Oct-73 | 36.9300 |
| 2-Oct-73 | 36.9100 |
| 3-Oct-73 | 36.8900 |
| 4-Oct-73 | 36.9100 |
| 5-Oct-73 | 37.0000 |
| 8-Oct-73 | ND |
| 9-Oct-73 | 36.9000 |
| 10-Oct-73 | 36.7300 |
| 11-Oct-73 | 36.5500 |
| 12-Oct-73 | 36.4600 |
| 15-Oct-73 | 36.4600 |
| 16-Oct-73 | 36.2400 |
| 17-Oct-73 | 36.1600 |
| 18-Oct-73 | 36.2300 |
| 19-Oct-73 | 36.3500 |
| 22-Oct-73 | ND |
| 23-Oct-73 | 36.1300 |
| 24-Oct-73 | 36.1400 |
| 25-Oct-73 | 36.2700 |
| 26-Oct-73 | 36.5200 |
| 29-Oct-73 | 36.8700 |
| 30-Oct-73 | 36.9500 |
| 31-Oct-73 | 36.8700 |
| 1-Nov-73 | 36.8000 |
| 2-Nov-73 | 36.8000 |
| 5-Nov-73 | 37.1500 |
| 6-Nov-73 | ND |
| 7-Nov-73 | 37.8500 |
| 8-Nov-73 | 37.8100 |
| 9-Nov-73 | 38.1100 |
| 12-Nov-73 | 39.0900 |
| 13-Nov-73 | 38.9500 |
| 14-Nov-73 | 38.6000 |
| 15-Nov-73 | 38.8300 |
| 16-Nov-73 | 38.7600 |
| 19-Nov-73 | 38.8000 |
| 20-Nov-73 | 38.9300 |
| 21-Nov-73 | 38.9700 |
| 22-Nov-73 | &nbs |