ITALY -- SPOT EXCHANGE RATE, LIRA/US$ ------------------------------------- 4-Jan-71 623.4800 5-Jan-71 623.3600 6-Jan-71 623.1700 7-Jan-71 623.4000 8-Jan-71 623.2900 11-Jan-71 623.3600 12-Jan-71 623.3600 13-Jan-71 623.2900 14-Jan-71 623.1300 15-Jan-71 622.8600 18-Jan-71 622.7800 19-Jan-71 622.7800 20-Jan-71 622.7000 21-Jan-71 622.9800 22-Jan-71 623.0500 25-Jan-71 623.5600 26-Jan-71 623.6700 27-Jan-71 623.6400 28-Jan-71 623.7500 29-Jan-71 623.6000 1-Feb-71 624.2600 2-Feb-71 624.8000 3-Feb-71 624.6100 4-Feb-71 624.2200 5-Feb-71 624.2200 8-Feb-71 624.5300 9-Feb-71 624.1400 10-Feb-71 624.3000 11-Feb-71 624.2200 12-Feb-71 ND 15-Feb-71 ND 16-Feb-71 623.6400 17-Feb-71 623.2900 18-Feb-71 623.1700 19-Feb-71 622.8600 22-Feb-71 622.2400 23-Feb-71 622.2000 24-Feb-71 622.5500 25-Feb-71 622.6300 26-Feb-71 622.8600 1-Mar-71 623.7900 2-Mar-71 623.7100 3-Mar-71 623.7100 4-Mar-71 623.4400 5-Mar-71 622.6300 8-Mar-71 622.6300 9-Mar-71 622.6700 10-Mar-71 622.6700 11-Mar-71 622.7800 12-Mar-71 622.5900 15-Mar-71 622.4700 16-Mar-71 622.5100 17-Mar-71 622.5900 18-Mar-71 622.4700 19-Mar-71 622.3900 22-Mar-71 622.2000 23-Mar-71 621.7700 24-Mar-71 621.7400 25-Mar-71 621.9300 26-Mar-71 621.8900 29-Mar-71 622.2000 30-Mar-71 622.0800 31-Mar-71 622.0100 1-Apr-71 622.0100 2-Apr-71 621.8900 5-Apr-71 622.2800 6-Apr-71 622.0500 7-Apr-71 622.1200 8-Apr-71 622.2800 9-Apr-71 622.3500 12-Apr-71 622.3200 13-Apr-71 622.5900 14-Apr-71 622.6700 15-Apr-71 622.4700 16-Apr-71 622.1600 19-Apr-71 622.3500 20-Apr-71 622.3500 21-Apr-71 622.2000 22-Apr-71 622.2400 23-Apr-71 622.2400 26-Apr-71 622.4700 27-Apr-71 622.4300 28-Apr-71 622.2000 29-Apr-71 622.2800 30-Apr-71 622.2000 3-May-71 622.2400 4-May-71 622.2000 5-May-71 621.7700 6-May-71 623.1700 7-May-71 621.5000 10-May-71 622.0100 11-May-71 622.9400 12-May-71 622.8200 13-May-71 622.5500 14-May-71 622.3900 17-May-71 622.5900 18-May-71 622.4700 19-May-71 622.8200 20-May-71 622.7800 21-May-71 622.7800 24-May-71 622.8600 25-May-71 623.4000 26-May-71 623.4000 27-May-71 623.8300 28-May-71 623.9100 31-May-71 ND 1-Jun-71 624.7700 2-Jun-71 624.9600 3-Jun-71 624.6500 4-Jun-71 624.0600 7-Jun-71 624.2200 8-Jun-71 624.4100 9-Jun-71 624.5300 10-Jun-71 624.5300 11-Jun-71 624.6100 14-Jun-71 624.8000 15-Jun-71 624.9600 16-Jun-71 625.0000 17-Jun-71 625.1600 18-Jun-71 625.3100 21-Jun-71 625.5100 22-Jun-71 625.1200 23-Jun-71 624.6100 24-Jun-71 624.3000 25-Jun-71 624.4500 28-Jun-71 624.5300 29-Jun-71 624.3400 30-Jun-71 623.5600 1-Jul-71 623.4400 2-Jul-71 622.9800 5-Jul-71 ND 6-Jul-71 623.4000 7-Jul-71 623.1300 8-Jul-71 622.9000 9-Jul-71 622.7000 12-Jul-71 622.6300 13-Jul-71 623.0100 14-Jul-71 623.3200 15-Jul-71 623.4000 16-Jul-71 623.4400 19-Jul-71 623.5200 20-Jul-71 622.9800 21-Jul-71 623.0900 22-Jul-71 622.9400 23-Jul-71 623.0900 26-Jul-71 623.4400 27-Jul-71 623.6400 28-Jul-71 623.1700 29-Jul-71 622.9800 30-Jul-71 623.0900 2-Aug-71 623.1700 3-Aug-71 623.4400 4-Aug-71 622.2800 5-Aug-71 622.4300 6-Aug-71 622.5900 9-Aug-71 621.1200 10-Aug-71 620.6900 11-Aug-71 620.6600 12-Aug-71 620.5800 13-Aug-71 620.6600 16-Aug-71 ND 17-Aug-71 ND 18-Aug-71 ND 19-Aug-71 ND 20-Aug-71 ND 23-Aug-71 615.1200 24-Aug-71 615.0100 25-Aug-71 614.9300 26-Aug-71 613.3100 27-Aug-71 615.3800 30-Aug-71 615.9500 31-Aug-71 614.8900 1-Sep-71 615.6900 2-Sep-71 615.2000 3-Sep-71 615.0100 6-Sep-71 ND 7-Sep-71 614.9300 8-Sep-71 614.9300 9-Sep-71 614.6300 10-Sep-71 614.7800 13-Sep-71 614.7800 14-Sep-71 614.5900 15-Sep-71 613.8400 16-Sep-71 613.3800 17-Sep-71 613.8000 20-Sep-71 613.2000 21-Sep-71 613.1200 22-Sep-71 612.7100 23-Sep-71 613.0500 24-Sep-71 612.0000 27-Sep-71 612.6700 28-Sep-71 612.7500 29-Sep-71 612.5600 30-Sep-71 612.3700 1-Oct-71 612.1800 4-Oct-71 612.0000 5-Oct-71 612.0000 6-Oct-71 611.9200 7-Oct-71 612.3700 8-Oct-71 612.1400 11-Oct-71 ND 12-Oct-71 612.2900 13-Oct-71 612.5900 14-Oct-71 612.3700 15-Oct-71 612.6700 18-Oct-71 612.3700 19-Oct-71 612.5600 20-Oct-71 612.3300 21-Oct-71 612.1100 22-Oct-71 612.2200 25-Oct-71 ND 26-Oct-71 612.3700 27-Oct-71 612.3700 28-Oct-71 612.6700 29-Oct-71 612.3300 1-Nov-71 612.0000 2-Nov-71 ND 3-Nov-71 612.6700 4-Nov-71 612.6700 5-Nov-71 612.7500 8-Nov-71 612.7500 9-Nov-71 612.7500 10-Nov-71 612.7800 11-Nov-71 613.1200 12-Nov-71 612.9300 15-Nov-71 612.9300 16-Nov-71 613.0800 17-Nov-71 613.0800 18-Nov-71 613.1200 19-Nov-71 612.7800 22-Nov-71 612.9000 23-Nov-71 612.7500 24-Nov-71 612.7100 25-Nov-71 ND 26-Nov-71 611.5500 29-Nov-71 611.5100 30-Nov-71 611.0600 1-Dec-71 609.6100 2-Dec-71 606.8000 3-Dec-71 606.6100 6-Dec-71 605.8800 7-Dec-71 606.6900 8-Dec-71 605.8800 9-Dec-71 604.8500 10-Dec-71 604.3400 13-Dec-71 605.5100 14-Dec-71 604.4500 15-Dec-71 601.6800 16-Dec-71 600.9600 17-Dec-71 600.9600 20-Dec-71 ND 21-Dec-71 593.8600 22-Dec-71 594.0400 23-Dec-71 594.0700 24-Dec-71 594.3500 27-Dec-71 594.5300 28-Dec-71 594.7100 29-Dec-71 594.8500 30-Dec-71 594.3900 31-Dec-71 593.6100 3-Jan-72 593.8200 4-Jan-72 594.1100 5-Jan-72 594.0000 6-Jan-72 593.8200 7-Jan-72 593.9700 10-Jan-72 594.0400 11-Jan-72 594.1800 12-Jan-72 594.1100 13-Jan-72 593.8200 14-Jan-72 588.2400 17-Jan-72 587.8900 18-Jan-72 588.2400 19-Jan-72 588.2400 20-Jan-72 589.6200 21-Jan-72 590.3200 24-Jan-72 589.9700 25-Jan-72 588.2400 26-Jan-72 587.8900 27-Jan-72 588.2400 28-Jan-72 588.7500 31-Jan-72 588.2400 1-Feb-72 587.5400 2-Feb-72 585.4800 3-Feb-72 586.1700 4-Feb-72 587.8900 7-Feb-72 586.8500 8-Feb-72 586.8500 9-Feb-72 586.3400 10-Feb-72 586.3400 11-Feb-72 586.6800 14-Feb-72 586.8500 15-Feb-72 587.2000 16-Feb-72 586.3400 17-Feb-72 586.1700 18-Feb-72 586.1700 21-Feb-72 ND 22-Feb-72 587.8900 23-Feb-72 587.8900 24-Feb-72 587.5400 25-Feb-72 588.2400 28-Feb-72 588.2400 29-Feb-72 587.2000 1-Mar-72 587.2000 2-Mar-72 586.8500 3-Mar-72 586.6800 6-Mar-72 585.4800 7-Mar-72 584.4500 8-Mar-72 582.2400 9-Mar-72 578.7000 10-Mar-72 579.3700 13-Mar-72 579.2100 14-Mar-72 580.8900 15-Mar-72 581.0600 16-Mar-72 581.4000 17-Mar-72 582.4100 20-Mar-72 583.4300 21-Mar-72 582.0700 22-Mar-72 582.7500 23-Mar-72 583.0900 24-Mar-72 583.7700 27-Mar-72 583.4300 28-Mar-72 582.0700 29-Mar-72 582.7500 30-Mar-72 581.7300 31-Mar-72 581.7300 3-Apr-72 581.7300 4-Apr-72 582.0700 5-Apr-72 582.0700 6-Apr-72 582.4100 7-Apr-72 582.7500 10-Apr-72 582.7500 11-Apr-72 582.4100 12-Apr-72 582.8500 13-Apr-72 583.2600 14-Apr-72 583.6000 17-Apr-72 584.1100 18-Apr-72 584.8000 19-Apr-72 585.4800 20-Apr-72 584.1100 21-Apr-72 584.4500 24-Apr-72 584.4500 25-Apr-72 584.1100 26-Apr-72 584.2800 27-Apr-72 584.4500 28-Apr-72 583.9400 1-May-72 583.9400 2-May-72 583.9400 3-May-72 583.4300 4-May-72 582.7500 5-May-72 583.4300 8-May-72 582.5800 9-May-72 582.0700 10-May-72 581.5600 11-May-72 581.7300 12-May-72 581.9000 15-May-72 582.0700 16-May-72 582.3400 17-May-72 582.0700 18-May-72 582.0700 19-May-72 582.2400 22-May-72 582.0700 23-May-72 581.9000 24-May-72 581.4000 25-May-72 581.7300 26-May-72 581.7300 29-May-72 ND 30-May-72 581.7300 31-May-72 580.5500 1-Jun-72 579.7100 2-Jun-72 579.2100 5-Jun-72 578.3700 6-Jun-72 579.2100 7-Jun-72 578.7000 8-Jun-72 578.8700 9-Jun-72 579.3700 12-Jun-72 579.7100 13-Jun-72 579.5400 14-Jun-72 580.0500 15-Jun-72 580.3800 16-Jun-72 581.7300 19-Jun-72 582.0700 20-Jun-72 585.1400 21-Jun-72 585.9900 22-Jun-72 589.2800 23-Jun-72 602.4100 26-Jun-72 602.4100 27-Jun-72 589.9700 28-Jun-72 581.7300 29-Jun-72 580.7200 30-Jun-72 581.0600 3-Jul-72 580.7200 4-Jul-72 ND 5-Jul-72 581.4000 6-Jul-72 581.4000 7-Jul-72 581.2300 10-Jul-72 581.0600 11-Jul-72 581.0600 12-Jul-72 581.2300 13-Jul-72 581.0600 14-Jul-72 581.0600 17-Jul-72 581.2300 18-Jul-72 580.8900 19-Jul-72 581.0600 20-Jul-72 581.0600 21-Jul-72 581.0600 24-Jul-72 581.0600 25-Jul-72 581.0600 26-Jul-72 581.0600 27-Jul-72 581.0600 28-Jul-72 581.4000 31-Jul-72 581.0600 1-Aug-72 581.4000 2-Aug-72 581.2300 3-Aug-72 581.0600 4-Aug-72 581.2300 7-Aug-72 581.2300 8-Aug-72 581.2300 9-Aug-72 581.2300 10-Aug-72 581.2300 11-Aug-72 581.2300 14-Aug-72 581.2300 15-Aug-72 581.0600 16-Aug-72 581.2300 17-Aug-72 581.7300 18-Aug-72 581.5600 21-Aug-72 581.6700 22-Aug-72 581.6700 23-Aug-72 581.2300 24-Aug-72 581.1600 25-Aug-72 581.2300 28-Aug-72 581.3300 29-Aug-72 581.4000 30-Aug-72 581.2300 31-Aug-72 581.2300 1-Sep-72 581.3300 4-Sep-72 ND 5-Sep-72 581.2300 6-Sep-72 581.1600 7-Sep-72 581.2300 8-Sep-72 581.2300 11-Sep-72 581.2300 12-Sep-72 581.2300 13-Sep-72 581.2300 14-Sep-72 581.2300 15-Sep-72 581.2300 18-Sep-72 581.2300 19-Sep-72 581.9000 20-Sep-72 581.7300 21-Sep-72 581.5600 22-Sep-72 581.4000 25-Sep-72 581.5600 26-Sep-72 581.5600 27-Sep-72 581.6700 28-Sep-72 581.8300 29-Sep-72 582.0700 2-Oct-72 582.5800 3-Oct-72 583.0200 4-Oct-72 582.5800 5-Oct-72 581.5600 6-Oct-72 581.9000 9-Oct-72 ND 10-Oct-72 582.6800 11-Oct-72 582.5800 12-Oct-72 582.9200 13-Oct-72 583.0900 16-Oct-72 583.3600 17-Oct-72 582.6800 18-Oct-72 582.6800 19-Oct-72 582.5100 20-Oct-72 582.6800 23-Oct-72 ND 24-Oct-72 583.6000 25-Oct-72 584.1100 26-Oct-72 585.3100 27-Oct-72 585.4800 30-Oct-72 585.3100 31-Oct-72 584.9700 1-Nov-72 584.0400 2-Nov-72 583.8700 3-Nov-72 584.1100 6-Nov-72 583.9400 7-Nov-72 ND 8-Nov-72 584.4500 9-Nov-72 584.8000 10-Nov-72 584.6200 13-Nov-72 584.8000 14-Nov-72 584.9000 15-Nov-72 584.8000 16-Nov-72 584.3900 17-Nov-72 584.4500 20-Nov-72 584.9700 21-Nov-72 584.9700 22-Nov-72 584.8000 23-Nov-72 ND 24-Nov-72 584.9000 27-Nov-72 584.2800 28-Nov-72 584.1100 29-Nov-72 584.2500 30-Nov-72 584.5600 1-Dec-72 585.4800 4-Dec-72 584.5200 5-Dec-72 584.5600 6-Dec-72 584.3900 7-Dec-72 584.4500 8-Dec-72 584.2800 11-Dec-72 584.4500 12-Dec-72 583.7000 13-Dec-72 582.5100 14-Dec-72 582.2400 15-Dec-72 582.2400 18-Dec-72 582.1700 19-Dec-72 582.3800 20-Dec-72 582.4100 21-Dec-72 582.5800 22-Dec-72 582.4100 25-Dec-72 ND 26-Dec-72 582.2400 27-Dec-72 582.5800 28-Dec-72 582.5800 29-Dec-72 582.4100 1-Jan-73 ND 2-Jan-73 583.5300 3-Jan-73 585.3100 4-Jan-73 585.9900 5-Jan-73 587.2000 8-Jan-73 586.1700 9-Jan-73 585.9900 10-Jan-73 585.8200 11-Jan-73 586.1000 12-Jan-73 586.3000 15-Jan-73 586.8500 16-Jan-73 587.1300 17-Jan-73 586.8500 18-Jan-73 587.2000 19-Jan-73 587.2000 22-Jan-73 585.1400 23-Jan-73 585.4800 24-Jan-73 584.5600 25-Jan-73 584.2100 26-Jan-73 584.8000 29-Jan-73 583.7700 30-Jan-73 582.0700 31-Jan-73 581.9000 1-Feb-73 581.0600 2-Feb-73 581.7300 5-Feb-73 581.5600 6-Feb-73 581.2300 7-Feb-73 581.4000 8-Feb-73 581.2300 9-Feb-73 581.0600 12-Feb-73 ND 13-Feb-73 571.4300 14-Feb-73 568.1800 15-Feb-73 569.8000 16-Feb-73 569.8000 19-Feb-73 ND 20-Feb-73 572.0800 21-Feb-73 573.0700 22-Feb-73 569.8000 23-Feb-73 565.6100 26-Feb-73 569.8000 27-Feb-73 569.1500 28-Feb-73 565.2900 1-Mar-73 557.1000 2-Mar-73 553.1000 5-Mar-73 560.2200 6-Mar-73 559.2800 7-Mar-73 561.8000 8-Mar-73 558.6600 9-Mar-73 561.8000 12-Mar-73 561.8000 13-Mar-73 569.4800 14-Mar-73 569.4800 15-Mar-73 570.1300 16-Mar-73 573.0700 19-Mar-73 567.5400 20-Mar-73 568.1800 21-Mar-73 572.0800 22-Mar-73 575.0400 23-Mar-73 574.0500 26-Mar-73 575.0400 27-Mar-73 575.0400 28-Mar-73 575.7100 29-Mar-73 579.0400 30-Mar-73 582.0700 2-Apr-73 586.1700 3-Apr-73 595.2400 4-Apr-73 589.2800 5-Apr-73 586.8500 6-Apr-73 588.5800 9-Apr-73 589.6200 10-Apr-73 587.8900 11-Apr-73 585.1400 12-Apr-73 586.5100 13-Apr-73 586.8500 16-Apr-73 586.8500 17-Apr-73 587.2000 18-Apr-73 587.8900 19-Apr-73 590.6700 20-Apr-73 591.7200 23-Apr-73 590.3200 24-Apr-73 593.1200 25-Apr-73 590.6700 26-Apr-73 591.7200 27-Apr-73 590.6700 30-Apr-73 591.0200 1-May-73 590.6700 2-May-73 592.0700 3-May-73 592.0700 4-May-73 591.3700 7-May-73 590.6700 8-May-73 591.0200 9-May-73 590.6700 10-May-73 592.7700 11-May-73 592.0700 14-May-73 588.9300 15-May-73 583.7700 16-May-73 589.9700 17-May-73 590.6700 18-May-73 590.3200 21-May-73 585.1400 22-May-73 589.6200 23-May-73 590.3200 24-May-73 590.6700 25-May-73 591.0200 28-May-73 ND 29-May-73 587.8900 30-May-73 585.4800 31-May-73 584.4500 1-Jun-73 579.3700 4-Jun-73 578.0300 5-Jun-73 584.1100 6-Jun-73 588.2400 7-Jun-73 591.3700 8-Jun-73 595.2400 11-Jun-73 598.0900 12-Jun-73 603.5000 13-Jun-73 607.1600 14-Jun-73 619.2000 15-Jun-73 615.3800 18-Jun-73 604.9600 19-Jun-73 603.1400 20-Jun-73 602.7700 21-Jun-73 599.8800 22-Jun-73 595.5900 25-Jun-73 593.1200 26-Jun-73 593.8200 27-Jun-73 588.2400 28-Jun-73 585.4800 29-Jun-73 583.0900 2-Jul-73 580.0500 3-Jul-73 582.4100 4-Jul-73 ND 5-Jul-73 579.7100 6-Jul-73 576.7000 9-Jul-73 576.3700 10-Jul-73 586.5100 11-Jul-73 590.3200 12-Jul-73 583.0900 13-Jul-73 584.4500 16-Jul-73 579.0400 17-Jul-73 579.3700 18-Jul-73 575.7100 19-Jul-73 579.3700 20-Jul-73 581.0600 23-Jul-73 579.7100 24-Jul-73 581.4000 25-Jul-73 582.4100 26-Jul-73 581.4000 27-Jul-73 581.7300 30-Jul-73 583.7700 31-Jul-73 585.4800 1-Aug-73 581.4000 2-Aug-73 579.7100 3-Aug-73 578.3700 6-Aug-73 578.0300 7-Aug-73 577.3700 8-Aug-73 574.7100 9-Aug-73 576.3700 10-Aug-73 579.3700 13-Aug-73 578.3700 14-Aug-73 579.0400 15-Aug-73 576.3700 16-Aug-73 580.0500 17-Aug-73 577.0300 20-Aug-73 569.8000 21-Aug-73 570.4500 22-Aug-73 572.4100 23-Aug-73 571.1000 24-Aug-73 566.8900 27-Aug-73 568.1800 28-Aug-73 568.1800 29-Aug-73 566.5700 30-Aug-73 567.2100 31-Aug-73 565.2900 3-Sep-73 ND 4-Sep-73 566.8900 5-Sep-73 564.9700 6-Sep-73 566.2500 7-Sep-73 564.9700 10-Sep-73 564.0200 11-Sep-73 565.6100 12-Sep-73 566.5700 13-Sep-73 567.8600 14-Sep-73 567.2100 17-Sep-73 564.0200 18-Sep-73 564.6500 19-Sep-73 565.6100 20-Sep-73 563.0600 21-Sep-73 564.0200 24-Sep-73 564.3300 25-Sep-73 565.6100 26-Sep-73 565.2900 27-Sep-73 564.6500 28-Sep-73 564.3300 1-Oct-73 564.6500 2-Oct-73 564.6500 3-Oct-73 565.2900 4-Oct-73 564.9700 5-Oct-73 565.9300 8-Oct-73 ND 9-Oct-73 565.9300 10-Oct-73 565.6100 11-Oct-73 564.3300 12-Oct-73 564.3300 15-Oct-73 565.6100 16-Oct-73 565.6100 17-Oct-73 564.9700 18-Oct-73 565.2900 19-Oct-73 566.8900 22-Oct-73 ND 23-Oct-73 565.9300 24-Oct-73 565.2900 25-Oct-73 565.6100 26-Oct-73 569.1500 29-Oct-73 569.8000 30-Oct-73 572.7400 31-Oct-73 571.7600 1-Nov-73 570.4500 2-Nov-73 571.1000 5-Nov-73 573.3900 6-Nov-73 ND 7-Nov-73 582.0700 8-Nov-73 583.4300 9-Nov-73 586.8500 12-Nov-73 593.8200 13-Nov-73 592.4200 14-Nov-73 593.8200 15-Nov-73 592.0700 16-Nov-73 591.7200 19-Nov-73 591.0200 20-Nov-73 592.0700 21-Nov-73 594.5300 22-Nov-73 ND 23-Nov-73 603.5000 26-Nov-73 604.5900 27-Nov-73 603.8600 28-Nov-73 604.9600 29-Nov-73 605.3300 30-Nov-73 604.9600 3-Dec-73 607.5300 4-Dec-73 612.7500 5-Dec-73 613.1200 6-Dec-73 609.0100 7-Dec-73 608.2700 10-Dec-73 610.1300 11-Dec-73 608.2700 12-Dec-73 605.3300 13-Dec-73 605.6900 14-Dec-73 606.0600 17-Dec-73 606.4300 18-Dec-73 607.1600 19-Dec-73 605.3300 20-Dec-73 606.0600 21-Dec-73 604.9600 24-Dec-73 606.0600 25-Dec-73 ND 26-Dec-73 605.3300 27-Dec-73 607.1600 28-Dec-73 609.0100 31-Dec-73 608.2700 1-Jan-74 ND 2-Jan-74 615.7600 3-Jan-74 621.8900 4-Jan-74 621.5000 7-Jan-74 632.9100 8-Jan-74 638.1600 9-Jan-74 633.3100 10-Jan-74 631.7100 11-Jan-74 629.3300 14-Jan-74 633.7100 15-Jan-74 641.4400 16-Jan-74 642.2600 17-Jan-74 650.2000 18-Jan-74 645.1600 21-Jan-74 671.1400 22-Jan-74 672.9500 23-Jan-74 677.9700 24-Jan-74 672.9500 25-Jan-74 671.5900 28-Jan-74 671.5900 29-Jan-74 666.6700 30-Jan-74 665.3400 31-Jan-74 660.9400 1-Feb-74 659.2000 4-Feb-74 657.8900 5-Feb-74 658.3300 6-Feb-74 660.0700 7-Feb-74 662.6900 8-Feb-74 661.8100 11-Feb-74 660.5000 12-Feb-74 ND 13-Feb-74 658.3300 14-Feb-74 657.4600 15-Feb-74 657.0300 18-Feb-74 ND 19-Feb-74 651.8900 20-Feb-74 651.0400 21-Feb-74 649.7700 22-Feb-74 644.7500 25-Feb-74 649.7700 26-Feb-74 647.6700 27-Feb-74 648.0900 28-Feb-74 648.5100 1-Mar-74 655.7400 4-Mar-74 652.7400 5-Mar-74 650.2000 6-Mar-74 650.2000 7-Mar-74 649.7700 8-Mar-74 646.8300 11-Mar-74 645.5800 12-Mar-74 641.4400 13-Mar-74 640.6100 14-Mar-74 641.8500 15-Mar-74 640.2000 18-Mar-74 639.8000 19-Mar-74 636.5400 20-Mar-74 632.9100 21-Mar-74 623.8300 22-Mar-74 625.7800 25-Mar-74 621.5000 26-Mar-74 623.4400 27-Mar-74 624.6100 28-Mar-74 622.2800 29-Mar-74 625.0000 1-Apr-74 626.5700 2-Apr-74 628.1400 3-Apr-74 635.3200 4-Apr-74 634.1200 5-Apr-74 633.7100 8-Apr-74 634.5200 9-Apr-74 636.1300 10-Apr-74 638.5700 11-Apr-74 637.7600 12-Apr-74 638.1600 15-Apr-74 637.3500 16-Apr-74 639.8000 17-Apr-74 637.7600 18-Apr-74 636.9400 19-Apr-74 637.7600 22-Apr-74 637.7600 23-Apr-74 636.5400 24-Apr-74 638.5700 25-Apr-74 641.0300 26-Apr-74 639.8000 29-Apr-74 635.3200 30-Apr-74 633.7100 1-May-74 628.9300 2-May-74 633.3100 3-May-74 632.1100 6-May-74 628.1400 7-May-74 628.1400 8-May-74 625.3900 9-May-74 624.2200 10-May-74 624.2200 13-May-74 621.1200 14-May-74 619.9600 15-May-74 630.9100 16-May-74 631.7100 17-May-74 633.3100 20-May-74 636.9400 21-May-74 636.1300 22-May-74 634.1200 23-May-74 636.1300 24-May-74 636.1300 27-May-74 ND 28-May-74 639.8000 29-May-74 643.0900 30-May-74 649.3500 31-May-74 645.5800 3-Jun-74 643.9200 4-Jun-74 643.9200 5-Jun-74 643.9200 6-Jun-74 645.1600 7-Jun-74 643.9200 10-Jun-74 646.4100 11-Jun-74 652.7400 12-Jun-74 654.0200 13-Jun-74 651.4700 14-Jun-74 653.5900 17-Jun-74 652.7400 18-Jun-74 653.5900 19-Jun-74 653.1700 20-Jun-74 653.1700 21-Jun-74 653.1700 24-Jun-74 655.3100 25-Jun-74 655.3100 26-Jun-74 651.4700 27-Jun-74 651.8900 28-Jun-74 646.8300 1-Jul-74 647.6700 2-Jul-74 646.8300 3-Jul-74 645.1600 4-Jul-74 ND 5-Jul-74 645.1600 8-Jul-74 644.3300 9-Jul-74 645.1600 10-Jul-74 645.1600 11-Jul-74 646.4100 12-Jul-74 645.1600 15-Jul-74 645.1600 16-Jul-74 643.9200 17-Jul-74 643.0900 18-Jul-74 643.5000 19-Jul-74 643.5000 22-Jul-74 643.5000 23-Jul-74 642.6700 24-Jul-74 638.9800 25-Jul-74 641.8500 26-Jul-74 643.0900 29-Jul-74 643.0900 30-Jul-74 643.9200 31-Jul-74 645.9900 1-Aug-74 646.4100 2-Aug-74 645.9900 5-Aug-74 647.2500 6-Aug-74 647.6700 7-Aug-74 649.7700 8-Aug-74 654.0200 9-Aug-74 653.1700 12-Aug-74 653.5900 13-Aug-74 655.7400 14-Aug-74 653.5900 15-Aug-74 653.5900 16-Aug-74 655.7400 19-Aug-74 658.3300 20-Aug-74 658.7600 21-Aug-74 657.8900 22-Aug-74 658.7600 23-Aug-74 658.7600 26-Aug-74 657.8900 27-Aug-74 659.6300 28-Aug-74 660.9400 29-Aug-74 660.0700 30-Aug-74 661.3800 2-Sep-74 ND 3-Sep-74 661.3800 4-Sep-74 660.5000 5-Sep-74 663.5700 6-Sep-74 662.6900 9-Sep-74 663.1300 10-Sep-74 661.8100 11-Sep-74 662.2500 12-Sep-74 663.1300 13-Sep-74 663.1300 16-Sep-74 662.6900 17-Sep-74 662.2500 18-Sep-74 661.3800 19-Sep-74 661.3800 20-Sep-74 662.2500 23-Sep-74 662.2500 24-Sep-74 661.3800 25-Sep-74 662.2500 26-Sep-74 662.2500 27-Sep-74 662.2500 30-Sep-74 660.5000 1-Oct-74 660.5000 2-Oct-74 661.8100 3-Oct-74 663.1300 4-Oct-74 664.0100 7-Oct-74 664.8900 8-Oct-74 667.1100 9-Oct-74 666.2200 10-Oct-74 668.0000 11-Oct-74 668.9000 14-Oct-74 ND 15-Oct-74 670.2400 16-Oct-74 669.3400 17-Oct-74 668.9000 18-Oct-74 668.9000 21-Oct-74 669.3400 22-Oct-74 669.7900 23-Oct-74 668.0000 24-Oct-74 667.5600 25-Oct-74 666.6700 28-Oct-74 667.5600 29-Oct-74 667.5600 30-Oct-74 668.4500 31-Oct-74 668.0000 1-Nov-74 666.6700 4-Nov-74 665.7800 5-Nov-74 ND 6-Nov-74 664.4500 7-Nov-74 663.5700 8-Nov-74 666.6700 11-Nov-74 ND 12-Nov-74 667.1100 13-Nov-74 668.4500 14-Nov-74 666.2200 15-Nov-74 668.4500 18-Nov-74 664.0100 19-Nov-74 666.6700 20-Nov-74 668.4500 21-Nov-74 672.4900 22-Nov-74 668.9000 25-Nov-74 669.3400 26-Nov-74 665.7800 27-Nov-74 665.3400 28-Nov-74 ND 29-Nov-74 665.3400 2-Dec-74 667.1100 3-Dec-74 667.5600 4-Dec-74 665.3400 5-Dec-74 665.3400 6-Dec-74 664.4500 9-Dec-74 661.3800 10-Dec-74 663.5700 11-Dec-74 661.8100 12-Dec-74 658.7600 13-Dec-74 660.0700 16-Dec-74 658.7600 17-Dec-74 655.7400 18-Dec-74 654.8800 19-Dec-74 658.7600 20-Dec-74 657.4600 23-Dec-74 657.4600 24-Dec-74 653.5900 25-Dec-74 ND 26-Dec-74 653.5900 27-Dec-74 652.7400 30-Dec-74 649.7700 31-Dec-74 648.0900 1-Jan-75 ND 2-Jan-75 651.4700 3-Jan-75 649.3500 6-Jan-75 643.9200 7-Jan-75 645.1600 8-Jan-75 646.8300 9-Jan-75 648.0900 10-Jan-75 647.6700 13-Jan-75 648.9300 14-Jan-75 651.0400 15-Jan-75 650.6200 16-Jan-75 648.9300 17-Jan-75 647.6700 20-Jan-75 646.4100 21-Jan-75 644.7500 22-Jan-75 643.0900 23-Jan-75 640.2100 24-Jan-75 636.1300 27-Jan-75 635.7300 28-Jan-75 638.9800 29-Jan-75 642.6700 30-Jan-75 639.8000 31-Jan-75 643.0900 3-Feb-75 641.0300 4-Feb-75 645.9900 5-Feb-75 645.9900 6-Feb-75 645.5800 7-Feb-75 645.1600 10-Feb-75 642.2600 11-Feb-75 641.8500 12-Feb-75 ND 13-Feb-75 638.9800 14-Feb-75 637.7600 17-Feb-75 ND 18-Feb-75 637.3500 19-Feb-75 636.9400 20-Feb-75 636.9400 21-Feb-75 635.3200 24-Feb-75 632.5100 25-Feb-75 632.9100 26-Feb-75 630.1200 27-Feb-75 627.3500 28-Feb-75 628.1400 3-Mar-75 626.9600 4-Mar-75 629.3300 5-Mar-75 630.9100 6-Mar-75 630.1200 7-Mar-75 632.5100 10-Mar-75 635.7300 11-Mar-75 632.9100 12-Mar-75 633.3100 13-Mar-75 634.1200 14-Mar-75 632.9100 17-Mar-75 630.9100 18-Mar-75 628.9300 19-Mar-75 627.3500 20-Mar-75 628.1400 21-Mar-75 628.9300 24-Mar-75 630.9100 25-Mar-75 630.5200 26-Mar-75 631.7100 27-Mar-75 633.7100 28-Mar-75 632.9100 31-Mar-75 632.9100 1-Apr-75 630.9100 2-Apr-75 630.5200 3-Apr-75 632.1100 4-Apr-75 634.5200 7-Apr-75 634.9200 8-Apr-75 633.7100 9-Apr-75 632.9100 10-Apr-75 636.1300 11-Apr-75 635.7300 14-Apr-75 637.3500 15-Apr-75 635.3200 16-Apr-75 634.9200 17-Apr-75 634.9200 18-Apr-75 634.9200 21-Apr-75 635.3200 22-Apr-75 635.3200 23-Apr-75 640.2100 24-Apr-75 631.7100 25-Apr-75 632.1100 28-Apr-75 635.3200 29-Apr-75 632.9100 30-Apr-75 631.7100 1-May-75 632.1100 2-May-75 632.5100 5-May-75 632.1100 6-May-75 631.3100 7-May-75 629.7200 8-May-75 627.7500 9-May-75 628.5400 12-May-75 629.7200 13-May-75 625.7800 14-May-75 626.5700 15-May-75 628.5400 16-May-75 628.5400 19-May-75 627.7500 20-May-75 626.9600 21-May-75 624.6100 22-May-75 624.2200 23-May-75 624.2200 26-May-75 ND 27-May-75 623.8300 28-May-75 623.8300 29-May-75 623.8300 30-May-75 625.0000 2-Jun-75 623.8300 3-Jun-75 623.0500 4-Jun-75 623.4400 5-Jun-75 623.4400 6-Jun-75 623.4400 9-Jun-75 625.0000 10-Jun-75 625.0000 11-Jun-75 624.2200 12-Jun-75 624.6100 13-Jun-75 624.6100 16-Jun-75 624.2200 17-Jun-75 625.7800 18-Jun-75 625.7800 19-Jun-75 626.1700 20-Jun-75 626.5700 23-Jun-75 627.3500 24-Jun-75 628.1400 25-Jun-75 627.3500 26-Jun-75 627.7500 27-Jun-75 628.9300 30-Jun-75 630.9100 1-Jul-75 632.1100 2-Jul-75 636.1300 3-Jul-75 638.1600 4-Jul-75 ND 7-Jul-75 639.3900 8-Jul-75 639.3900 9-Jul-75 638.5700 10-Jul-75 641.8500 11-Jul-75 643.5000 14-Jul-75 646.8300 15-Jul-75 645.9900 16-Jul-75 650.6200 17-Jul-75 651.4700 18-Jul-75 653.5900 21-Jul-75 655.7400 22-Jul-75 654.4500 23-Jul-75 659.6300 24-Jul-75 659.6300 25-Jul-75 658.3300 28-Jul-75 662.2500 29-Jul-75 664.0100 30-Jul-75 663.5700 31-Jul-75 666.2200 1-Aug-75 665.7800 4-Aug-75 666.6700 5-Aug-75 666.2200 6-Aug-75 667.5600 7-Aug-75 670.2400 8-Aug-75 669.7900 11-Aug-75 671.5900 12-Aug-75 671.1400 13-Aug-75 670.2400 14-Aug-75 668.9000 15-Aug-75 668.9000 18-Aug-75 668.9000 19-Aug-75 666.6700 20-Aug-75 666.2200 21-Aug-75 667.5600 22-Aug-75 667.5600 25-Aug-75 668.4500 26-Aug-75 668.0000 27-Aug-75 668.0000 28-Aug-75 668.0000 29-Aug-75 668.0000 1-Sep-75 ND 2-Sep-75 670.6900 3-Sep-75 669.3400 4-Sep-75 670.6900 5-Sep-75 670.6900 8-Sep-75 670.6900 9-Sep-75 670.2400 10-Sep-75 671.1400 11-Sep-75 672.0400 12-Sep-75 672.9500 15-Sep-75 673.8500 16-Sep-75 677.0500 17-Sep-75 677.9700 18-Sep-75 681.6600 19-Sep-75 682.5900 22-Sep-75 687.2900 23-Sep-75 690.6100 24-Sep-75 688.7100 25-Sep-75 686.3400 26-Sep-75 687.7600 29-Sep-75 689.6600 30-Sep-75 687.2900 1-Oct-75 683.5300 2-Oct-75 683.5300 3-Oct-75 686.3400 6-Oct-75 683.9900 7-Oct-75 681.2000 8-Oct-75 682.5900 9-Oct-75 681.6600 10-Oct-75 678.4300 13-Oct-75 ND 14-Oct-75 680.7400 15-Oct-75 677.5100 16-Oct-75 675.2200 17-Oct-75 672.4900 20-Oct-75 675.6800 21-Oct-75 675.2200 22-Oct-75 673.8500 23-Oct-75 674.7600 24-Oct-75 674.7600 27-Oct-75 676.1300 28-Oct-75 676.5900 29-Oct-75 677.0500 30-Oct-75 675.2200 31-Oct-75 673.8500 3-Nov-75 673.4000 4-Nov-75 ND 5-Nov-75 675.6800 6-Nov-75 674.7600 7-Nov-75 675.2200 10-Nov-75 675.2200 11-Nov-75 ND 12-Nov-75 677.0500 13-Nov-75 677.5100 14-Nov-75 680.2700 17-Nov-75 682.5900 18-Nov-75 682.1300 19-Nov-75 681.6600 20-Nov-75 680.2700 21-Nov-75 681.6600 24-Nov-75 681.6600 25-Nov-75 681.2000 26-Nov-75 683.5300 27-Nov-75 ND 28-Nov-75 684.9300 1-Dec-75 682.5900 2-Dec-75 683.0600 3-Dec-75 682.1300 4-Dec-75 682.1300 5-Dec-75 683.0600 8-Dec-75 681.6600 9-Dec-75 683.5300 10-Dec-75 683.5300 11-Dec-75 683.5300 12-Dec-75 683.9900 15-Dec-75 685.4000 16-Dec-75 683.9900 17-Dec-75 683.0600 18-Dec-75 682.5900 19-Dec-75 682.1300 22-Dec-75 681.2000 23-Dec-75 681.6600 24-Dec-75 681.6600 25-Dec-75 ND 26-Dec-75 681.6600 29-Dec-75 682.5900 30-Dec-75 683.5300 31-Dec-75 683.9900 1-Jan-76 ND 2-Jan-76 683.5300 5-Jan-76 681.2000 6-Jan-76 681.2000 7-Jan-76 681.2000 8-Jan-76 681.6600 9-Jan-76 683.5300 12-Jan-76 683.0600 13-Jan-76 683.9900 14-Jan-76 683.5300 15-Jan-76 683.5300 16-Jan-76 684.9300 19-Jan-76 685.8700 20-Jan-76 689.1800 21-Jan-76 710.7300 22-Jan-76 729.9300 23-Jan-76 733.1400 26-Jan-76 732.0600 27-Jan-76 729.3900 28-Jan-76 736.3800 29-Jan-76 743.4900 30-Jan-76 760.4600 2-Feb-76 765.1100 3-Feb-76 766.2800 4-Feb-76 755.8600 5-Feb-76 755.8600 6-Feb-76 748.5000 9-Feb-76 751.8800 10-Feb-76 754.7200 11-Feb-76 760.4600 12-Feb-76 ND 13-Feb-76 768.0500 16-Feb-76 ND 17-Feb-76 767.4600 18-Feb-76 768.6400 19-Feb-76 770.4200 20-Feb-76 777.6100 23-Feb-76 791.1400 24-Feb-76 799.3600 25-Feb-76 780.6400 26-Feb-76 772.8000 27-Feb-76 772.8000 1-Mar-76 781.8600 2-Mar-76 789.2700 3-Mar-76 794.9100 4-Mar-76 796.8100 5-Mar-76 799.3600 8-Mar-76 798.0800 9-Mar-76 798.7200 10-Mar-76 803.8600 11-Mar-76 803.8600 12-Mar-76 806.4500 15-Mar-76 829.1900 16-Mar-76 847.4600 17-Mar-76 882.6100 18-Mar-76 872.6000 19-Mar-76 856.9000 22-Mar-76 843.8800 23-Mar-76 838.2200 24-Mar-76 840.3400 25-Mar-76 840.3400 26-Mar-76 851.0600 29-Mar-76 849.6200 30-Mar-76 843.1700 31-Mar-76 841.0400 1-Apr-76 841.0400 2-Apr-76 853.2400 5-Apr-76 856.1700 6-Apr-76 860.5900 7-Apr-76 866.5500 8-Apr-76 875.6600 9-Apr-76 880.2800 12-Apr-76 909.0900 13-Apr-76 896.8600 14-Apr-76 877.9600 15-Apr-76 877.1900 16-Apr-76 874.8900 19-Apr-76 878.7300 20-Apr-76 877.9600 21-Apr-76 878.7300 22-Apr-76 884.9600 23-Apr-76 890.4700 26-Apr-76 891.2700 27-Apr-76 890.4700 28-Apr-76 893.6600 29-Apr-76 897.6700 30-Apr-76 900.9000 3-May-76 902.5300 4-May-76 917.4300 5-May-76 916.5900 6-May-76 880.2800 7-May-76 856.9000 10-May-76 834.0300 11-May-76 843.1700 12-May-76 851.7900 13-May-76 850.3400 14-May-76 851.7900 17-May-76 851.0600 18-May-76 848.9000 19-May-76 845.3100 20-May-76 840.3400 21-May-76 840.3400 24-May-76 839.6300 25-May-76 838.9300 26-May-76 845.3100 27-May-76 843.1700 28-May-76 845.3100 31-May-76 ND 1-Jun-76 846.0200 2-Jun-76 842.4600 3-Jun-76 847.4600 4-Jun-76 850.3400 7-Jun-76 847.4600 8-Jun-76 851.0600 9-Jun-76 855.4300 10-Jun-76 854.7000 11-Jun-76 853.9700 14-Jun-76 853.9700 15-Jun-76 852.5200 16-Jun-76 853.9700 17-Jun-76 853.9700 18-Jun-76 854.7000 21-Jun-76 853.9700 22-Jun-76 851.7900 23-Jun-76 848.1800 24-Jun-76 845.3100 25-Jun-76 846.7400 28-Jun-76 841.0400 29-Jun-76 832.6400 30-Jun-76 839.6300 1-Jul-76 839.6300 2-Jul-76 838.9300 5-Jul-76 ND 6-Jul-76 837.5200 7-Jul-76 836.8200 8-Jul-76 837.5200 9-Jul-76 839.6300 12-Jul-76 839.6300 13-Jul-76 838.2200 14-Jul-76 838.2200 15-Jul-76 837.5200 16-Jul-76 838.2200 19-Jul-76 837.5200 20-Jul-76 836.1200 21-Jul-76 836.1200 22-Jul-76 836.1200 23-Jul-76 836.1200 26-Jul-76 836.1200 27-Jul-76 835.4200 28-Jul-76 836.1200 29-Jul-76 836.1200 30-Jul-76 835.4200 2-Aug-76 835.4200 3-Aug-76 835.4200 4-Aug-76 835.4200 5-Aug-76 835.4200 6-Aug-76 835.4200 9-Aug-76 836.1200 10-Aug-76 836.8200 11-Aug-76 836.1200 12-Aug-76 836.8200 13-Aug-76 836.8200 16-Aug-76 838.2200 17-Aug-76 837.5200 18-Aug-76 836.8200 19-Aug-76 837.5200 20-Aug-76 838.9300 23-Aug-76 838.9300 24-Aug-76 838.2200 25-Aug-76 838.9300 26-Aug-76 838.9300 27-Aug-76 843.1700 30-Aug-76 843.1700 31-Aug-76 841.7500 1-Sep-76 841.0400 2-Sep-76 841.0400 3-Sep-76 841.7500 6-Sep-76 ND 7-Sep-76 840.3400 8-Sep-76 840.3400 9-Sep-76 840.3400 10-Sep-76 841.0400 13-Sep-76 841.0400 14-Sep-76 841.7500 15-Sep-76 840.3400 16-Sep-76 841.0400 17-Sep-76 841.0400 20-Sep-76 843.8800 21-Sep-76 843.8800 22-Sep-76 845.3100 23-Sep-76 849.6200 24-Sep-76 849.6200 27-Sep-76 850.3400 28-Sep-76 853.2400 29-Sep-76 855.4300 30-Sep-76 859.8500 1-Oct-76 873.3600 4-Oct-76 844.5900 5-Oct-76 843.1700 6-Oct-76 838.2200 7-Oct-76 841.7500 8-Oct-76 840.3400 11-Oct-76 ND 12-Oct-76 839.6300 13-Oct-76 841.0400 14-Oct-76 843.1700 15-Oct-76 843.8800 18-Oct-76 871.0800 19-Oct-76 870.3200 20-Oct-76 868.8100 21-Oct-76 869.5700 22-Oct-76 870.3200 25-Oct-76 865.0500 26-Oct-76 865.0500 27-Oct-76 863.5600 28-Oct-76 865.0500 29-Oct-76 864.3000 1-Nov-76 860.5900 2-Nov-76 ND 3-Nov-76 865.0500 4-Nov-76 864.3000 5-Nov-76 865.0500 8-Nov-76 865.0500 9-Nov-76 865.8000 10-Nov-76 866.5500 11-Nov-76 ND 12-Nov-76 865.8000 15-Nov-76 865.8000 16-Nov-76 865.8000 17-Nov-76 865.8000 18-Nov-76 865.8000 19-Nov-76 865.8000 22-Nov-76 865.8000 23-Nov-76 865.8000 24-Nov-76 865.8000 25-Nov-76 ND 26-Nov-76 868.8100 29-Nov-76 865.8000 30-Nov-76 865.8000 1-Dec-76 865.8000 2-Dec-76 865.8000 3-Dec-76 865.8000 6-Dec-76 865.8000 7-Dec-76 865.8000 8-Dec-76 864.3000 9-Dec-76 865.8000 10-Dec-76 865.8000 13-Dec-76 865.8000 14-Dec-76 865.8000 15-Dec-76 865.8000 16-Dec-76 865.8000 17-Dec-76 865.8000 20-Dec-76 865.8000 21-Dec-76 865.8000 22-Dec-76 865.0500 23-Dec-76 869.5700 24-Dec-76 868.0600 27-Dec-76 875.6600 28-Dec-76 875.6600 29-Dec-76 875.6600 30-Dec-76 875.6600 31-Dec-76 872.6000 3-Jan-77 874.1300 4-Jan-77 874.8900 5-Jan-77 874.8900 6-Jan-77 876.4200 7-Jan-77 875.6600 10-Jan-77 875.6600 11-Jan-77 876.4200 12-Jan-77 876.4200 13-Jan-77 877.9600 14-Jan-77 877.9600 17-Jan-77 882.6100 18-Jan-77 882.6100 19-Jan-77 882.6100 20-Jan-77 881.8300 21-Jan-77 882.6100 24-Jan-77 882.6100 25-Jan-77 882.6100 26-Jan-77 881.8300 27-Jan-77 881.8300 28-Jan-77 882.6100 31-Jan-77 882.6100 1-Feb-77 882.6100 2-Feb-77 881.8300 3-Feb-77 882.6100 4-Feb-77 882.6100 7-Feb-77 882.6100 8-Feb-77 882.6100 9-Feb-77 882.6100 10-Feb-77 882.6100 11-Feb-77 883.3900 14-Feb-77 882.6100 15-Feb-77 882.6100 16-Feb-77 882.6100 17-Feb-77 882.6100 18-Feb-77 882.6100 21-Feb-77 ND 22-Feb-77 883.3900 23-Feb-77 883.3900 24-Feb-77 883.3900 25-Feb-77 883.3900 28-Feb-77 884.1700 1-Mar-77 885.7400 2-Mar-77 885.7400 3-Mar-77 884.9600 4-Mar-77 884.9600 7-Mar-77 885.7400 8-Mar-77 884.9600 9-Mar-77 884.9600 10-Mar-77 884.9600 11-Mar-77 885.7400 14-Mar-77 888.8900 15-Mar-77 888.1000 16-Mar-77 887.3100 17-Mar-77 887.3100 18-Mar-77 887.3100 21-Mar-77 888.1000 22-Mar-77 888.1000 23-Mar-77 888.1000 24-Mar-77 887.3100 25-Mar-77 888.1000 28-Mar-77 887.3100 29-Mar-77 887.3100 30-Mar-77 888.1000 31-Mar-77 888.1000 1-Apr-77 888.1000 4-Apr-77 888.1000 5-Apr-77 888.1000 6-Apr-77 888.1000 7-Apr-77 888.8900 8-Apr-77 888.1000 11-Apr-77 888.1000 12-Apr-77 888.1000 13-Apr-77 887.3100 14-Apr-77 888.1000 15-Apr-77 888.1000 18-Apr-77 888.1000 19-Apr-77 888.1000 20-Apr-77 887.3100 21-Apr-77 887.3100 22-Apr-77 887.3100 25-Apr-77 886.5300 26-Apr-77 887.3100 27-Apr-77 887.3100 28-Apr-77 887.3100 29-Apr-77 887.3100 2-May-77 887.3100 3-May-77 887.3100 4-May-77 887.3100 5-May-77 887.3100 6-May-77 887.3100 9-May-77 886.5300 10-May-77 887.3100 11-May-77 886.7200 12-May-77 886.5300 13-May-77 886.5300 16-May-77 886.5300 17-May-77 886.5300 18-May-77 886.3300 19-May-77 886.5300 20-May-77 886.5300 23-May-77 886.1300 24-May-77 886.1300 25-May-77 885.9400 26-May-77 886.1300 27-May-77 885.8400 30-May-77 ND 31-May-77 885.7400 1-Jun-77 885.7400 2-Jun-77 885.7400 3-Jun-77 885.7400 6-Jun-77 885.7400 7-Jun-77 885.7400 8-Jun-77 885.5000 9-Jun-77 885.4400 10-Jun-77 885.5400 13-Jun-77 885.5400 14-Jun-77 885.3500 15-Jun-77 885.3500 16-Jun-77 885.3500 17-Jun-77 884.9600 20-Jun-77 885.1500 21-Jun-77 884.9600 22-Jun-77 885.1500 23-Jun-77 885.0500 24-Jun-77 884.9600 27-Jun-77 884.9600 28-Jun-77 884.9600 29-Jun-77 884.9600 30-Jun-77 885.0500 1-Jul-77 884.9600 4-Jul-77 ND 5-Jul-77 884.1700 6-Jul-77 883.7800 7-Jul-77 883.3900 8-Jul-77 883.5900 11-Jul-77 883.0000 12-Jul-77 883.0000 13-Jul-77 882.6100 14-Jul-77 ND 15-Jul-77 883.0000 18-Jul-77 882.5200 19-Jul-77 881.8300 20-Jul-77 881.8300 21-Jul-77 882.6100 22-Jul-77 881.8300 25-Jul-77 881.4500 26-Jul-77 881.4500 27-Jul-77 881.4500 28-Jul-77 881.2500 29-Jul-77 881.8300 1-Aug-77 881.8300 2-Aug-77 881.6400 3-Aug-77 881.4500 4-Aug-77 881.8300 5-Aug-77 881.6400 8-Aug-77 881.8300 9-Aug-77 881.8300 10-Aug-77 881.9300 11-Aug-77 882.2200 12-Aug-77 883.3900 15-Aug-77 882.7700 16-Aug-77 884.1700 17-Aug-77 883.3900 18-Aug-77 884.9600 19-Aug-77 883.7800 22-Aug-77 882.7700 23-Aug-77 882.6100 24-Aug-77 881.7300 25-Aug-77 882.2200 26-Aug-77 882.6100 29-Aug-77 882.4200 30-Aug-77 882.6100 31-Aug-77 881.4500 1-Sep-77 882.6100 2-Sep-77 882.4200 5-Sep-77 ND 6-Sep-77 882.6100 7-Sep-77 882.6100 8-Sep-77 883.0000 9-Sep-77 883.3900 12-Sep-77 884.1700 13-Sep-77 884.3700 14-Sep-77 884.7600 15-Sep-77 884.5600 16-Sep-77 884.1700 19-Sep-77 883.7800 20-Sep-77 883.7800 21-Sep-77 883.2000 22-Sep-77 883.4900 23-Sep-77 883.7800 26-Sep-77 883.9800 27-Sep-77 884.3700 28-Sep-77 883.7800 29-Sep-77 883.5900 30-Sep-77 882.4200 3-Oct-77 880.6700 4-Oct-77 881.6400 5-Oct-77 881.6400 6-Oct-77 881.4500 7-Oct-77 881.6400 10-Oct-77 ND 11-Oct-77 882.2200 12-Oct-77 881.8300 13-Oct-77 881.8300 14-Oct-77 880.7600 17-Oct-77 880.0500 18-Oct-77 880.0500 19-Oct-77 881.0600 20-Oct-77 881.0600 21-Oct-77 880.2800 24-Oct-77 880.0900 25-Oct-77 880.4800 26-Oct-77 879.9000 27-Oct-77 881.0600 28-Oct-77 880.0900 31-Oct-77 879.1200 1-Nov-77 877.5800 2-Nov-77 877.9600 3-Nov-77 878.3500 4-Nov-77 878.9300 7-Nov-77 878.7300 8-Nov-77 ND 9-Nov-77 879.2100 10-Nov-77 879.1200 11-Nov-77 ND 14-Nov-77 878.7300 15-Nov-77 878.7300 16-Nov-77 878.3500 17-Nov-77 878.5400 18-Nov-77 878.3500 21-Nov-77 877.7700 22-Nov-77 877.1900 23-Nov-77 877.1900 24-Nov-77 ND 25-Nov-77 877.0000 28-Nov-77 877.0000 29-Nov-77 877.7700 30-Nov-77 877.3900 1-Dec-77 877.3900 2-Dec-77 877.1900 5-Dec-77 876.4200 6-Dec-77 875.8500 7-Dec-77 876.4200 8-Dec-77 877.5800 9-Dec-77 878.4400 12-Dec-77 878.5400 13-Dec-77 876.4200 14-Dec-77 872.9800 15-Dec-77 876.4200 16-Dec-77 876.0400 19-Dec-77 875.6600 20-Dec-77 874.8900 21-Dec-77 874.8900 22-Dec-77 877.3900 23-Dec-77 877.5800 26-Dec-77 ND 27-Dec-77 877.1900 28-Dec-77 874.5100 29-Dec-77 872.6000 30-Dec-77 871.0800 2-Jan-78 ND 3-Jan-78 865.9500 4-Jan-78 861.4700 5-Jan-78 876.2300 6-Jan-78 874.7000 9-Jan-78 875.6600 10-Jan-78 875.6600 11-Jan-78 872.9800 12-Jan-78 874.8900 13-Jan-78 882.6100 16-Jan-78 875.4300 17-Jan-78 875.6600 18-Jan-78 874.7000 19-Jan-78 873.3600 20-Jan-78 872.6000 23-Jan-78 871.0800 24-Jan-78 868.6200 25-Jan-78 866.9300 26-Jan-78 867.6800 27-Jan-78 868.8100 30-Jan-78 868.2400 31-Jan-78 866.7400 1-Feb-78 867.6800 2-Feb-78 868.4300 3-Feb-78 868.0600 6-Feb-78 867.3000 7-Feb-78 866.5500 8-Feb-78 864.8700 9-Feb-78 865.0500 10-Feb-78 864.3000 13-Feb-78 ND 14-Feb-78 859.1100 15-Feb-78 858.1900 16-Feb-78 856.9000 17-Feb-78 856.1700 20-Feb-78 ND 21-Feb-78 853.7900 22-Feb-78 853.6100 23-Feb-78 852.3300 24-Feb-78 862.0700 27-Feb-78 854.7000 28-Feb-78 853.2400 1-Mar-78 850.3400 2-Mar-78 851.7900 3-Mar-78 851.7900 6-Mar-78 853.2400 7-Mar-78 853.6100 8-Mar-78 854.7000 9-Mar-78 855.4300 10-Mar-78 862.8100 13-Mar-78 862.8100 14-Mar-78 859.1100 15-Mar-78 859.2900 16-Mar-78 857.6300 17-Mar-78 856.1700 20-Mar-78 856.1700 21-Mar-78 856.5300 22-Mar-78 855.4300 23-Mar-78 854.8800 24-Mar-78 855.0700 27-Mar-78 854.7000 28-Mar-78 853.6100 29-Mar-78 852.1500 30-Mar-78 853.9700 31-Mar-78 851.0600 3-Apr-78 850.3400 4-Apr-78 851.0600 5-Apr-78 851.7900 6-Apr-78 850.7000 7-Apr-78 851.6100 10-Apr-78 851.0600 11-Apr-78 851.7900 12-Apr-78 851.0600 13-Apr-78 853.9700 14-Apr-78 855.4300 17-Apr-78 857.6300 18-Apr-78 860.9600 19-Apr-78 860.9600 20-Apr-78 868.4300 21-Apr-78 867.3000 24-Apr-78 869.5700 25-Apr-78 868.4300 26-Apr-78 869.1900 27-Apr-78 868.0600 28-Apr-78 868.4300 1-May-78 868.0600 2-May-78 868.4300 3-May-78 868.0600 4-May-78 867.1200 5-May-78 867.3000 8-May-78 869.5700 9-May-78 870.5100 10-May-78 869.5700 11-May-78 870.3200 12-May-78 871.8400 15-May-78 872.6000 16-May-78 873.3600 17-May-78 872.9800 18-May-78 871.0800 19-May-78 871.8400 22-May-78 872.9800 23-May-78 873.7400 24-May-78 872.6000 25-May-78 871.4600 26-May-78 871.8400 29-May-78 869.7500 30-May-78 ND 31-May-78 866.1800 1-Jun-78 864.6800 2-Jun-78 863.3300 5-Jun-78 862.0700 6-Jun-78 862.4400 7-Jun-78 862.0700 8-Jun-78 860.5900 9-Jun-78 860.9600 12-Jun-78 860.5900 13-Jun-78 860.5900 14-Jun-78 859.2900 15-Jun-78 860.9600 16-Jun-78 862.8100 19-Jun-78 860.2200 20-Jun-78 858.3700 21-Jun-78 856.1700 22-Jun-78 859.8500 23-Jun-78 856.9000 26-Jun-78 855.8000 27-Jun-78 856.9000 28-Jun-78 855.0700 29-Jun-78 856.1700 30-Jun-78 854.7000 3-Jul-78 851.0600 4-Jul-78 ND 5-Jul-78 847.1000 6-Jul-78 851.7900 7-Jul-78 850.3400 10-Jul-78 847.4600 11-Jul-78 848.9000 12-Jul-78 849.0400 13-Jul-78 848.0000 14-Jul-78 848.5400 17-Jul-78 849.9800 18-Jul-78 848.9000 19-Jul-78 846.7400 20-Jul-78 846.3800 21-Jul-78 845.6700 24-Jul-78 843.1700 25-Jul-78 843.5300 26-Jul-78 843.8800 27-Jul-78 846.0200 28-Jul-78 844.5900 31-Jul-78 842.2800 1-Aug-78 841.7500 2-Aug-78 842.6400 3-Aug-78 841.7500 4-Aug-78 841.4000 7-Aug-78 839.9800 8-Aug-78 837.1700 9-Aug-78 834.7300 10-Aug-78 834.0300 11-Aug-78 830.5700 14-Aug-78 820.0100 15-Aug-78 823.7200 16-Aug-78 822.3700 17-Aug-78 838.2200 18-Aug-78 833.3300 21-Aug-78 840.6900 22-Aug-78 840.3400 23-Aug-78 843.6700 24-Aug-78 841.7500 25-Aug-78 841.7500 28-Aug-78 843.8800 29-Aug-78 839.8100 30-Aug-78 835.7700 31-Aug-78 835.4200 1-Sep-78 834.0300 4-Sep-78 ND 5-Sep-78 831.5000 6-Sep-78 832.5000 7-Sep-78 834.7000 8-Sep-78 835.4000 11-Sep-78 836.7500 12-Sep-78 834.4000 13-Sep-78 833.0000 14-Sep-78 832.0000 15-Sep-78 832.0000 18-Sep-78 832.2000 19-Sep-78 831.3000 20-Sep-78 827.5000 21-Sep-78 824.8000 22-Sep-78 827.2500 25-Sep-78 825.5000 26-Sep-78 823.7500 27-Sep-78 821.0000 28-Sep-78 824.0000 29-Sep-78 825.0000 2-Oct-78 822.9500 3-Oct-78 822.0000 4-Oct-78 820.0000 5-Oct-78 819.2500 6-Oct-78 820.7500 9-Oct-78 ND 10-Oct-78 819.5000 11-Oct-78 815.0000 12-Oct-78 816.0000 13-Oct-78 814.5000 16-Oct-78 818.0000 17-Oct-78 815.5000 18-Oct-78 813.2500 19-Oct-78 815.6000 20-Oct-78 810.9000 23-Oct-78 808.0000 24-Oct-78 810.0000 25-Oct-78 803.5000 26-Oct-78 807.9700 27-Oct-78 796.5000 30-Oct-78 788.2000 31-Oct-78 794.0000 1-Nov-78 826.0000 2-Nov-78 829.0000 3-Nov-78 837.0000 6-Nov-78 842.5000 7-Nov-78 ND 8-Nov-78 833.0000 9-Nov-78 837.0000 10-Nov-78 839.0000 13-Nov-78 839.0000 14-Nov-78 838.5000 15-Nov-78 841.0000 16-Nov-78 848.5000 17-Nov-78 848.5000 20-Nov-78 853.5000 21-Nov-78 852.0000 22-Nov-78 851.0000 23-Nov-78 ND 24-Nov-78 849.5000 27-Nov-78 851.5000 28-Nov-78 852.0000 29-Nov-78 850.7500 30-Nov-78 850.2500 1-Dec-78 853.7500 4-Dec-78 853.0000 5-Dec-78 853.0000 6-Dec-78 850.7500 7-Dec-78 850.7500 8-Dec-78 848.5000 11-Dec-78 845.0000 12-Dec-78 845.2500 13-Dec-78 849.5000 14-Dec-78 848.7500 15-Dec-78 846.7500 18-Dec-78 835.2500 19-Dec-78 831.0000 20-Dec-78 832.2500 21-Dec-78 841.7500 22-Dec-78 841.0000 25-Dec-78 ND 26-Dec-78 838.0000 27-Dec-78 832.5000 28-Dec-78 833.0000 29-Dec-78 831.0000 1-Jan-79 ND 2-Jan-79 825.0000 3-Jan-79 833.0000 4-Jan-79 834.0000 5-Jan-79 833.5000 8-Jan-79 832.2500 9-Jan-79 833.7500 10-Jan-79 837.0000 11-Jan-79 839.0000 12-Jan-79 842.0000 15-Jan-79 840.2500 16-Jan-79 839.2500 17-Jan-79 835.0000 18-Jan-79 835.0000 19-Jan-79 834.5000 22-Jan-79 835.5000 23-Jan-79 835.2500 24-Jan-79 834.7500 25-Jan-79 837.7500 26-Jan-79 838.5000 29-Jan-79 842.0000 30-Jan-79 842.0000 31-Jan-79 844.0000 1-Feb-79 846.5000 2-Feb-79 847.7500 5-Feb-79 842.7500 6-Feb-79 840.5000 7-Feb-79 831.0000 8-Feb-79 835.0000 9-Feb-79 835.7500 12-Feb-79 ND 13-Feb-79 840.0000 14-Feb-79 841.0000 15-Feb-79 839.2500 16-Feb-79 840.5000 19-Feb-79 ND 20-Feb-79 841.6000 21-Feb-79 841.7000 22-Feb-79 841.6000 23-Feb-79 841.5000 26-Feb-79 840.7000 27-Feb-79 840.6500 28-Feb-79 840.0000 1-Mar-79 841.5000 2-Mar-79 841.7500 5-Mar-79 842.4000 6-Mar-79 841.5500 7-Mar-79 840.2500 8-Mar-79 840.2000 9-Mar-79 842.5000 12-Mar-79 844.0000 13-Mar-79 846.0000 14-Mar-79 843.2500 15-Mar-79 841.5000 16-Mar-79 841.5000 19-Mar-79 840.2500 20-Mar-79 840.9000 21-Mar-79 841.0000 22-Mar-79 840.3500 23-Mar-79 840.2500 26-Mar-79 839.4000 27-Mar-79 839.0000 28-Mar-79 838.7000 29-Mar-79 839.7000 30-Mar-79 840.2500 2-Apr-79 842.5000 3-Apr-79 842.8000 4-Apr-79 841.3000 5-Apr-79 841.5000 6-Apr-79 842.3000 9-Apr-79 843.9000 10-Apr-79 841.2500 11-Apr-79 841.3000 12-Apr-79 843.5000 13-Apr-79 844.5000 16-Apr-79 844.5500 17-Apr-79 844.4000 18-Apr-79 834.6000 19-Apr-79 843.7500 20-Apr-79 846.3000 23-Apr-79 845.8000 24-Apr-79 844.7500 25-Apr-79 843.1000 26-Apr-79 845.5000 27-Apr-79 846.2000 30-Apr-79 845.7000 1-May-79 846.5000 2-May-79 847.1000 3-May-79 846.5000 4-May-79 846.7500 7-May-79 846.5000 8-May-79 846.5000 9-May-79 846.2000 10-May-79 847.8000 11-May-79 848.7500 14-May-79 849.9000 15-May-79 852.0000 16-May-79 850.0500 17-May-79 851.5000 18-May-79 855.6500 21-May-79 857.5000 22-May-79 857.0000 23-May-79 856.5000 24-May-79 855.3000 25-May-79 855.9000 28-May-79 857.5000 29-May-79 857.8000 30-May-79 ND 31-May-79 854.8000 1-Jun-79 855.0000 4-Jun-79 854.2500 5-Jun-79 853.5000 6-Jun-79 854.5000 7-Jun-79 853.0000 8-Jun-79 853.2500 11-Jun-79 853.8000 12-Jun-79 855.0000 13-Jun-79 852.7000 14-Jun-79 853.0000 15-Jun-79 848.8000 18-Jun-79 847.5000 19-Jun-79 843.5000 20-Jun-79 840.3000 21-Jun-79 839.2000 22-Jun-79 835.7500 25-Jun-79 830.9000 26-Jun-79 836.1000 27-Jun-79 832.9000 28-Jun-79 832.8000 29-Jun-79 831.3500 2-Jul-79 828.9500 3-Jul-79 828.5000 4-Jul-79 ND 5-Jul-79 822.7500 6-Jul-79 824.0000 9-Jul-79 827.5000 10-Jul-79 826.0000 11-Jul-79 822.5000 12-Jul-79 822.4000 13-Jul-79 824.0000 16-Jul-79 820.5000 17-Jul-79 816.5000 18-Jul-79 812.1000 19-Jul-79 814.5000 20-Jul-79 819.0000 23-Jul-79 815.5500 24-Jul-79 812.7000 25-Jul-79 815.5000 26-Jul-79 816.2000 27-Jul-79 816.5000 30-Jul-79 819.0000 31-Jul-79 821.0000 1-Aug-79 819.3000 2-Aug-79 818.7000 3-Aug-79 820.5000 6-Aug-79 818.5500 7-Aug-79 820.0000 8-Aug-79 819.1000 9-Aug-79 817.5000 10-Aug-79 816.8000 13-Aug-79 817.9500 14-Aug-79 819.1000 15-Aug-79 819.6000 16-Aug-79 818.2000 17-Aug-79 819.0000 20-Aug-79 818.5000 21-Aug-79 818.7000 22-Aug-79 817.7000 23-Aug-79 818.0000 24-Aug-79 816.9500 27-Aug-79 818.7500 28-Aug-79 818.2500 29-Aug-79 818.2500 30-Aug-79 817.0000 31-Aug-79 816.8500 3-Sep-79 ND 4-Sep-79 817.0000 5-Sep-79 815.1000 6-Sep-79 812.8000 7-Sep-79 812.2000 10-Sep-79 811.3500 11-Sep-79 813.5000 12-Sep-79 812.9500 13-Sep-79 816.8000 14-Sep-79 815.8000 17-Sep-79 814.3000 18-Sep-79 814.0000 19-Sep-79 813.6000 20-Sep-79 806.0000 21-Sep-79 807.4000 24-Sep-79 808.0000 25-Sep-79 809.0000 26-Sep-79 809.5000 27-Sep-79 803.3000 28-Sep-79 802.2500 1-Oct-79 801.3000 2-Oct-79 808.0000 3-Oct-79 808.3000 4-Oct-79 814.2500 5-Oct-79 816.2000 8-Oct-79 ND 9-Oct-79 833.0000 10-Oct-79 825.1000 11-Oct-79 829.5000 12-Oct-79 826.5000 15-Oct-79 830.0000 16-Oct-79 830.3000 17-Oct-79 830.4000 18-Oct-79 829.0000 19-Oct-79 830.0000 22-Oct-79 829.5000 23-Oct-79 831.9000 24-Oct-79 830.7000 25-Oct-79 829.7500 26-Oct-79 831.0000 29-Oct-79 834.5000 30-Oct-79 834.5000 31-Oct-79 833.1500 1-Nov-79 830.2500 2-Nov-79 830.0000 5-Nov-79 828.6000 6-Nov-79 ND 7-Nov-79 827.8000 8-Nov-79 830.0000 9-Nov-79 830.4500 12-Nov-79 ND 13-Nov-79 832.1000 14-Nov-79 827.3000 15-Nov-79 829.5000 16-Nov-79 828.7500 19-Nov-79 823.2500 20-Nov-79 823.7500 21-Nov-79 821.0000 22-Nov-79 ND 23-Nov-79 823.0000 26-Nov-79 822.5000 27-Nov-79 822.5000 28-Nov-79 820.7500 29-Nov-79 820.3500 30-Nov-79 815.3000 3-Dec-79 807.3000 4-Dec-79 813.2500 5-Dec-79 814.0000 6-Dec-79 814.5500 7-Dec-79 819.6500 10-Dec-79 817.6000 11-Dec-79 813.5000 12-Dec-79 812.6000 13-Dec-79 812.3000 14-Dec-79 814.3000 17-Dec-79 813.4000 18-Dec-79 810.6000 19-Dec-79 809.7000 20-Dec-79 810.1000 21-Dec-79 810.7000 24-Dec-79 808.0000 25-Dec-79 ND 26-Dec-79 807.0000 27-Dec-79 804.8000 28-Dec-79 804.5000 31-Dec-79 804.0000 1-Jan-80 ND 2-Jan-80 800.8500 3-Jan-80 800.2000 4-Jan-80 803.7000 7-Jan-80 800.6500 8-Jan-80 802.3000 9-Jan-80 801.1500 10-Jan-80 802.6000 11-Jan-80 804.1500 14-Jan-80 803.2000 15-Jan-80 805.0000 16-Jan-80 805.2500 17-Jan-80 805.3000 18-Jan-80 804.8000 21-Jan-80 805.5000 22-Jan-80 808.0000 23-Jan-80 806.5000 24-Jan-80 806.9000 25-Jan-80 807.4000 28-Jan-80 807.8000 29-Jan-80 807.7000 30-Jan-80 806.7500 31-Jan-80 808.6000 1-Feb-80 809.0000 4-Feb-80 808.5000 5-Feb-80 808.2500 6-Feb-80 806.5000 7-Feb-80 806.5000 8-Feb-80 806.8000 11-Feb-80 806.1500 12-Feb-80 ND 13-Feb-80 804.7500 14-Feb-80 804.6000 15-Feb-80 805.9000 18-Feb-80 ND 19-Feb-80 808.8500 20-Feb-80 808.5000 21-Feb-80 809.1000 22-Feb-80 812.4000 25-Feb-80 815.0000 26-Feb-80 815.7000 27-Feb-80 816.0000 28-Feb-80 815.4500 29-Feb-80 822.2500 3-Mar-80 826.4000 4-Mar-80 828.5000 5-Mar-80 830.5000 6-Mar-80 833.1500 7-Mar-80 834.5500 10-Mar-80 838.9000 11-Mar-80 842.0500 12-Mar-80 840.1000 13-Mar-80 845.7000 14-Mar-80 852.7500 17-Mar-80 873.0000 18-Mar-80 877.0000 19-Mar-80 874.0000 20-Mar-80 870.0000 21-Mar-80 874.0000 24-Mar-80 879.9000 25-Mar-80 881.7000 26-Mar-80 879.4000 27-Mar-80 887.7000 28-Mar-80 893.5000 31-Mar-80 900.0000 1-Apr-80 910.5000 2-Apr-80 906.0000 3-Apr-80 906.7500 4-Apr-80 909.5000 7-Apr-80 910.0000 8-Apr-80 898.0000 9-Apr-80 879.5000 10-Apr-80 872.5000 11-Apr-80 875.5000 14-Apr-80 873.7000 15-Apr-80 883.0000 16-Apr-80 872.0000 17-Apr-80 876.0000 18-Apr-80 872.5000 21-Apr-80 867.7000 22-Apr-80 871.8000 23-Apr-80 856.0000 24-Apr-80 851.2500 25-Apr-80 849.0000 28-Apr-80 847.0000 29-Apr-80 845.7000 30-Apr-80 847.2000 1-May-80 846.2500 2-May-80 853.6000 5-May-80 847.5000 6-May-80 844.5000 7-May-80 842.0000 8-May-80 846.0000 9-May-80 852.0000 12-May-80 847.1000 13-May-80 846.2500 14-May-80 843.0000 15-May-80 842.6500 16-May-80 846.0000 19-May-80 848.0000 20-May-80 847.7500 21-May-80 842.1500 22-May-80 840.5500 23-May-80 836.8000 26-May-80 ND 27-May-80 830.2500 28-May-80 831.6000 29-May-80 835.2000 30-May-80 838.7500 2-Jun-80 837.0000 3-Jun-80 835.6000 4-Jun-80 833.7000 5-Jun-80 836.7500 6-Jun-80 832.7000 9-Jun-80 831.1000 10-Jun-80 831.7000 11-Jun-80 832.9000 12-Jun-80 833.2000 13-Jun-80 829.2000 16-Jun-80 834.0000 17-Jun-80 835.7000 18-Jun-80 833.9500 19-Jun-80 835.3000 20-Jun-80 837.0000 23-Jun-80 836.0000 24-Jun-80 837.7000 25-Jun-80 837.7500 26-Jun-80 838.2500 27-Jun-80 841.5000 30-Jun-80 838.2500 1-Jul-80 841.2500 2-Jul-80 846.5000 3-Jul-80 837.0000 4-Jul-80 ND 7-Jul-80 833.1000 8-Jul-80 829.0000 9-Jul-80 829.3000 10-Jul-80 829.1000 11-Jul-80 830.0000 14-Jul-80 830.0000 15-Jul-80 832.0000 16-Jul-80 831.1000 17-Jul-80 827.6000 18-Jul-80 831.1000 21-Jul-80 828.8000 22-Jul-80 826.7000 23-Jul-80 827.6000 24-Jul-80 825.7500 25-Jul-80 826.0000 28-Jul-80 826.2500 29-Jul-80 830.5000 30-Jul-80 836.0000 31-Jul-80 839.5000 1-Aug-80 844.0000 4-Aug-80 841.2500 5-Aug-80 838.7500 6-Aug-80 835.5000 7-Aug-80 839.4000 8-Aug-80 841.0000 11-Aug-80 842.8000 12-Aug-80 842.5000 13-Aug-80 841.2000 14-Aug-80 846.2500 15-Aug-80 845.5000 18-Aug-80 849.2000 19-Aug-80 851.7000 20-Aug-80 851.4000 21-Aug-80 854.0000 22-Aug-80 858.5000 25-Aug-80 856.5500 26-Aug-80 856.6000 27-Aug-80 856.3000 28-Aug-80 851.0000 29-Aug-80 853.2500 1-Sep-80 ND 2-Sep-80 848.0000 3-Sep-80 846.4500 4-Sep-80 846.5000 5-Sep-80 847.6500 8-Sep-80 846.3000 9-Sep-80 846.5000 10-Sep-80 847.0000 11-Sep-80 845.6500 12-Sep-80 846.5000 15-Sep-80 848.2000 16-Sep-80 849.3000 17-Sep-80 847.4000 18-Sep-80 851.0000 19-Sep-80 852.6000 22-Sep-80 856.0000 23-Sep-80 860.5000 24-Sep-80 854.6000 25-Sep-80 857.5000 26-Sep-80 862.0000 29-Sep-80 862.8000 30-Sep-80 862.4000 1-Oct-80 860.9500 2-Oct-80 861.3500 3-Oct-80 862.4000 6-Oct-80 856.9000 7-Oct-80 860.2000 8-Oct-80 858.4000 9-Oct-80 859.8000 10-Oct-80 859.2500 13-Oct-80 ND 14-Oct-80 862.0000 15-Oct-80 865.8000 16-Oct-80 866.9000 17-Oct-80 872.4500 20-Oct-80 879.5000 21-Oct-80 884.1500 22-Oct-80 883.8000 23-Oct-80 882.0000 24-Oct-80 885.0000 27-Oct-80 889.9000 28-Oct-80 894.7000 29-Oct-80 892.5000 30-Oct-80 896.7000 31-Oct-80 900.0000 3-Nov-80 902.0000 4-Nov-80 ND 5-Nov-80 914.0000 6-Nov-80 914.7500 7-Nov-80 921.0000 10-Nov-80 898.5000 11-Nov-80 ND 12-Nov-80 899.5000 13-Nov-80 897.5000 14-Nov-80 902.8000 17-Nov-80 916.0000 18-Nov-80 912.0000 19-Nov-80 906.2000 20-Nov-80 908.8000 21-Nov-80 912.7500 24-Nov-80 910.6000 25-Nov-80 911.3000 26-Nov-80 913.0000 27-Nov-80 ND 28-Nov-80 914.5000 1-Dec-80 920.7500 2-Dec-80 920.5000 3-Dec-80 921.0000 4-Dec-80 922.6500 5-Dec-80 930.5000 8-Dec-80 931.0000 9-Dec-80 940.0000 10-Dec-80 950.0000 11-Dec-80 953.0000 12-Dec-80 951.0000 15-Dec-80 943.0000 16-Dec-80 956.1000 17-Dec-80 943.0000 18-Dec-80 946.5000 19-Dec-80 940.0000 22-Dec-80 933.5000 23-Dec-80 924.0000 24-Dec-80 923.0000 25-Dec-80 ND 26-Dec-80 924.0000 29-Dec-80 927.0000 30-Dec-80 926.5000 31-Dec-80 930.0000 1-Jan-81 ND 2-Jan-81 936.0000 5-Jan-81 925.0000 6-Jan-81 921.0000 7-Jan-81