1977 01 33.59  16.50  25.05 
1977 02 36.20  15.50  25.85 
1977 03 37.50  16.20  26.85 
1977 05 38.09  21.80  29.95 
1977 06 36.20  22.80  29.50 
1977 07 32.90  23.50  28.20 
1977 08 31.90  23.90  27.90 
1977 09 99.99  21.60 -99.99 
1977 10 99.99  22.40 -99.99 
1977 11 36.09  21.80  28.95 
1977 12 33.90  16.70  25.30 
1978 01 33.90  16.90  25.40 
1978 02 36.70  16.10  26.40 
1978 03 36.50  17.70  27.10 
1978 04 38.50  20.40  29.45 
1978 05 37.00  22.60  29.80 
1978 06 34.30  24.00  29.15 
1978 07 32.40  23.40  27.90 
1978 08 31.40  23.30  27.34 
1978 09 31.40  23.10  27.25 
1978 10 32.59  22.90  27.75 
1978 11 32.90  18.60  25.75 
1978 12 32.00  15.20  23.60 
1979 01 33.30  16.60  24.95 
1979 02 36.80  14.40  25.59 
1979 03 37.30  20.20  28.75 
1979 04 39.40  21.20  30.30 
1979 05 37.50  22.90  30.20 
1979 06 33.80  24.50  29.15 
1979 07 32.50  23.40  27.95 
1979 08 31.90  23.40  27.65 
1979 09 32.70  23.80  28.25 
1979 10 33.90  23.30  28.60 
1979 11 36.00  19.40  27.70 
1979 12 33.00  15.20  24.10 
1980 01 33.30  15.60  24.45 
1980 02 35.30  16.90  26.09 
1980 03 37.59  19.50  28.55 
1980 04 40.00  21.80  30.90 
1980 05 39.09  22.80  30.95 
1980 06 35.70  24.10  29.90 
1980 07 33.00  23.90  28.45 
1980 08 32.20  23.40  27.80 
1980 09 32.59  23.50  28.05 
1980 10 34.20  22.90  28.55 
1980 11 34.40  20.00  27.20 
1980 12 31.50  15.30  23.40 
1981 01 33.50  15.60  24.55 
1981 02 35.40  16.50  25.95 
1981 03 37.80  19.60  28.70 
1981 04 39.30  22.00  30.65 
1981 05 37.80  23.40  30.59 
1981 06 37.30  25.10  31.20 
1981 07 28.40  22.70  25.55 
1981 08 31.40  23.20  27.30 
1981 09 32.40  23.00  27.70 
1981 10 33.59  23.10  28.34 
1981 11 34.40  19.50  26.95 
1981 12 34.59  13.90  24.25 
1982 01 34.09  13.90  24.00 
1982 02 34.09  16.20  25.15 
1982 03 37.00  18.50  27.75 
1982 04 38.40  21.00  29.70 
1982 05 38.50  21.70  30.10 
1982 06 36.70  23.70  30.20 
1982 07 33.20  23.30  28.25 
1982 08 31.60  23.90  27.75 
1982 09 32.50  23.40  27.95 
1982 10 33.20  23.30  28.25 
1982 11 35.09  17.79  26.45 
1982 12 33.09  15.00  24.05 
1983 01 34.20  14.00  24.10 
1983 02 36.90  16.60  26.75 
1983 03 38.50  21.70  30.10 
1983 04 38.40  21.40  29.90 
1983 05 36.20  24.30  30.25 
1983 06 36.00  25.00  30.50 
1983 07 32.00  22.80  27.40 
1983 08 33.30  23.60  28.45 
1983 09 32.80  23.10  27.95 
1983 10 34.30  24.20  29.25 
1983 11 36.40  19.79  28.10 
1983 12 35.70  14.90  25.30 
