1981 01 29.40   9.80  19.60 
1981 02 33.30  13.10  23.20 
1981 03 35.40  14.50  24.95 
1981 04 35.20  19.10  27.15 
1981 05 32.70  21.50  27.10 
1981 06 29.30  21.80  25.55 
1981 07 29.00  21.30  25.15 
1981 08 28.50  21.60  25.05 
1981 09 30.30  21.10  25.70 
1981 10 99.99  20.40 -99.99 
1981 11 28.30  19.00  23.65 
1981 12 27.20  12.60  19.90 
1982 01 28.90  12.00  20.45 
1982 02 33.00  10.60  21.80 
1982 03 35.70  14.30  25.00 
1982 04 33.59  18.70  26.15 
1982 05 32.59  21.20  26.90 
1982 06 29.40  21.90  25.65 
1982 07 28.30  21.10  24.70 
1982 08 27.50  21.20  24.35 
1982 09 28.80  21.00  24.90 
1982 10 30.60  19.50  25.05 
1982 11 30.70  17.50  24.10 
1982 12 28.30  10.80  19.54 
1983 01 29.90  11.20  20.55 
1983 02 33.50  10.40  21.95 
1983 03 35.90  13.40  24.65 
1983 04 37.70  18.50  28.10 
1983 05 34.70  21.30  28.00 
1983 06 30.50  21.80  26.15 
1983 07 29.90  21.70  25.80 
1983 08 29.00  21.80  25.40 
1983 09 29.90  21.20  25.55 
1983 10 29.30  20.90  25.09 
1983 11 27.60  16.00  21.80 
1983 12 28.50  12.30  20.40 
1984 01 30.10  12.10  21.10 
1984 02 32.50  17.29  24.90 
1984 03 34.30  15.00  24.65 
1984 04 34.30  20.10  27.20 
1984 05 31.90  20.60  26.25 
1984 06 29.00  21.70  25.35 
1984 07 29.40  20.70  25.05 
1984 08 27.60  21.10  24.35 
1984 09 29.80  20.10  24.95 
1984 10 29.30  19.79  24.55 
1984 11 29.70  15.60  22.65 
1984 12 30.00  12.90  21.45 
1985 01 31.20  14.20  22.70 
1985 02 33.50  12.10  22.80 
1985 03 35.00  15.70  25.35 
1985 04 34.90  19.40  27.15 
1985 05 32.90  20.70  26.80 
1985 06 28.40  20.90  24.65 
1985 07 28.60  20.70  24.65 
1985 08 28.10  21.20  24.65 
1985 09 29.60  20.50  25.05 
1985 10 29.40  19.40  24.40 
1985 11 29.50  17.10  23.30 
1985 12 28.80  12.30  20.55 
1986 01 29.20  10.30  19.75 
1986 02 33.00  12.40  22.70 
1986 03 34.20  13.30  23.75 
1986 04 34.80  19.20  27.00 
1986 05 30.30  21.00  25.65 
1986 06 29.50  21.60  25.55 
1986 07 28.60  20.90  24.75 
1986 08 28.80  21.20  25.00 
1986 09 30.60  20.20  25.40 
1986 10 30.20  19.90  25.05 
1986 11 29.40  16.29  22.84 
1986 12 28.80  13.40  21.09 
1987 01 30.20  11.70  20.95 
1987 02 32.80  11.90  22.34 
1987 03 33.20  15.80  24.50 
1987 04 34.70  18.29  26.50 
1987 05 33.00  20.40  26.70 
1987 06 30.50  22.00  26.25 
1987 07 29.00  21.20  25.10 
1987 08 29.50  21.10  25.30 
1987 09 29.90  21.20  25.55 
1987 10 31.10  19.90  25.50 
1987 11 29.70  19.70  24.70 
1987 12 27.30  10.50  18.90 
1988 01 31.10  11.90  21.50 
1988 02 33.90  14.80  24.35 
1988 03 35.59  15.90  25.75 
1988 04 34.59  19.70  27.15 
1988 05 31.70  22.10  26.90 
1988 06 29.00  21.50  25.25 
1988 07 29.70  21.60  25.65 
1988 08 29.60  21.50  25.55 
1988 09 30.80  20.90  25.84 
1988 10 29.00  20.50  24.75 
1988 11 27.30  15.70  21.50 
1988 12 27.80  11.50  19.65 
1989 01 31.80  13.80  22.80 
1989 02 33.00  11.20  22.10 
1989 03 33.50  16.60  25.05 
1989 04 35.90  18.00  26.95 
1989 05 32.40  21.10  26.75 
1989 06 28.70  21.60  25.15 
1989 07 29.20  21.10  25.15 
1989 08 28.40  20.90  24.65 
1989 09 29.10  20.50  24.80 
1989 10 30.30  19.70  25.00 
1989 11 29.60  15.90  22.75 
1989 12 28.40   9.80  19.10 
1990 01 31.00  13.50  22.25 
1990 02 32.90  12.40  22.65 
1990 03 34.80  14.90  24.84 
1990 04 35.20  18.20  26.70 
1990 05 31.80  21.40  26.59 
1990 06 28.50  21.90  25.20 
1990 07 27.60  21.30  24.45 
1990 08 28.60  21.00  24.80 
1990 09 29.20  21.10  25.15 
1990 10 29.40  20.00  24.70 
1990 11 29.10  17.29  23.20 
1990 12 29.00  12.80  20.90 
