1973 01 35.70  14.60  25.15 
1973 02 34.50  16.29  25.40 
1973 03 36.70  20.40  28.55 
1973 04 39.90  22.80  31.35 
1973 05 39.80  25.50  32.65 
1973 06 33.00  23.50  28.25 
1973 07 35.50  23.10  29.30 
1973 08 31.20  22.30  26.75 
1973 09 31.30  21.90  26.59 
1973 10 34.50  22.40  28.45 
1973 11 35.80  17.20  26.50 
1973 12 30.00  12.00  21.00 
1974 01 34.40  13.30  23.85 
1974 02 33.50  15.10  24.30 
1974 03 37.50  20.70  29.10 
1974 04 38.59  21.10  29.84 
1974 05 40.09  24.70  32.40 
1974 06 36.30  24.30  30.30 
1974 07 31.40  22.80  27.09 
1974 08 30.70  22.10  26.40 
1974 09 30.40  21.10  25.75 
1974 10 34.00  21.50  27.75 
1974 11 34.20  16.29  25.25 
1974 12 33.59  13.70  23.65 
1975 01 34.00  14.70  24.35 
1975 02 37.80  13.70  25.75 
1975 03 39.00  20.40  29.70 
1975 04 40.09  23.20  31.65 
1975 05 40.00  24.50  32.25 
1975 06 37.40  24.60  31.00 
1975 07 32.09  22.80  27.45 
1975 08 31.30  22.80  27.05 
1975 09 31.20  22.10  26.65 
1975 10 33.20  22.20  27.70 
1975 11 34.50  16.40  25.45 
1975 12 34.80  13.50  24.15 
1976 01 33.80  13.90  23.84 
1976 02 35.59  16.10  25.84 
1976 03 39.80  19.90  29.84 
1976 04 39.09  23.10  31.09 
1976 05 38.40  25.30  31.85 
1976 06 34.80  23.30  29.05 
1976 07 31.60  22.10  26.85 
1976 08 31.50  21.70  26.60 
1976 09 32.00  21.80  26.90 
1976 10 33.09  21.70  27.40 
1976 11 33.80  18.20  26.00 
1976 12 33.00  15.40  24.20 
1977 01 34.40  15.30  24.85 
1977 02 37.59  15.60  26.59 
1977 03 39.00  20.20  29.60 
1977 04 39.90  24.10  32.00 
1977 05 40.00  25.10  32.55 
1977 06 36.30  25.00  30.65 
1977 07 33.90  24.00  28.95 
1977 08 32.40  24.00  28.20 
1977 09 31.80  23.00  27.40 
1977 10 35.70  22.30  29.00 
1977 11 36.30  16.20  26.25 
1977 12 34.90  15.20  25.05 
1978 01 35.30  16.29  25.80 
1978 02 36.59  17.79  27.20 
1978 03 38.40  18.70  28.55 
1978 04 39.80  22.90  31.34 
1978 05 39.70  25.80  32.75 
1978 06 35.20  23.80  29.50 
1978 07 31.10  23.30  27.20 
1978 08 31.50  23.00  27.25 
1978 09 31.60  22.70  27.15 
1978 10 33.40  22.50  27.95 
1978 11 31.90  17.60  24.75 
1978 12 33.09  14.30  23.70 
1979 01 33.00  17.10  25.05 
1979 02 37.09  15.00  26.05 
1979 03 37.90  21.80  29.85 
1979 04 40.00  23.30  31.65 
1979 05 37.59  21.90  29.75 
1979 06 34.30  24.90  29.59 
1979 07 33.00  23.50  28.25 
1979 08 32.09  23.40  27.75 
1979 09 32.70  23.50  28.10 
1979 10 33.40  23.00  28.20 
1979 11 35.80  18.20  27.00 
1979 12 34.40  14.80  24.60 
1980 01 35.30  16.10  25.70 
1980 02 34.30  18.20  26.25 
1980 03 99.99  21.80 -99.99 
1980 04 40.80  24.60  32.70 
1980 05 40.50  26.00  33.25 
1980 06 36.20  25.40  30.80 
1980 07 33.70  24.40  29.05 
1980 08 31.30  23.10  27.20 
1980 09 31.30  23.60  27.45 
1980 10 35.09  22.90  29.00 
1980 11 35.50  19.90  27.70 
1980 12 33.09  14.80  23.95 
1981 01 32.30  16.10  24.20 
1981 02 36.20  18.10  27.15 
1981 03 37.70  20.40  29.05 
1981 04 40.09  24.80  32.44 
1981 05 36.20  25.40  30.80 
1981 06 35.50  24.90  30.20 
1981 07 32.00  23.60  27.80 
1981 08 31.00  22.90  26.95 
1981 09 32.30  22.70  27.50 
1981 10 32.40  23.30  27.85 
1981 11 34.90  19.00  26.95 
1981 12 35.09  12.10  23.59 
1982 01 34.40  12.90  23.65 
1982 02 34.40  16.79  25.60 
1982 03 36.70  19.40  28.05 
1982 04 39.20  24.30  31.75 
1982 05 39.00  24.70  31.85 
1982 06 35.80  24.60  30.20 
1982 07 32.40  23.80  28.10 
1982 08 31.10  23.40  27.25 
1982 09 31.90  22.80  27.34 
1982 10 33.59  22.50  28.05 
1982 11 35.50  17.40  26.45 
1982 12 31.40  14.40  22.90 
1983 01 34.20  13.80  24.00 
1983 02 37.30  16.20  26.75 
1983 03 39.20  22.20  30.70 
1983 04 39.50  24.60  32.05 
1983 05 39.90  26.70  33.30 
1983 06 35.70  24.90  30.30 
1983 07 32.09  23.30  27.70 
1983 08 32.00  23.60  27.80 
1983 09 32.70  22.60  27.65 
1983 10 34.40  22.70  28.55 
1983 11 37.00  19.10  28.05 
1983 12 35.09  12.50  23.80 
1984 01 99.99 -99.99  24.00 
1984 02 99.99 -99.99  25.50 
1984 03 99.99 -99.99  29.20 
1984 04 99.99 -99.99  29.80 
1984 05 99.99 -99.99  32.70 
1984 06 99.99 -99.99  29.40 
1984 07 99.99 -99.99  27.60 
1984 08 99.99 -99.99  27.80 
1984 09 99.99 -99.99  27.10 
1984 10 99.99 -99.99  27.80 
1984 11 99.99 -99.99  26.80 
1984 12 99.99 -99.99  24.00 
1985 02 99.99 -99.99  28.00 
1985 03 99.99 -99.99  30.10 
1985 04 99.99 -99.99  31.00 
1985 05 99.99 -99.99  31.60 
1985 06 99.99 -99.99  30.90 
1985 07 99.99 -99.99  28.60 
1985 08 99.99 -99.99  27.10 
1985 09 99.99 -99.99  26.90 
1985 10 99.99 -99.99  28.70 
1985 11 99.99 -99.99  27.00 
1985 12 99.99 -99.99  23.80 
1986 01 99.99 -99.99  23.50 
1986 02 99.99 -99.99  26.70 
1986 03 99.99 -99.99  28.20 
1986 04 99.99 -99.99  32.00 
1986 05 99.99 -99.99  32.09 
1986 06 99.99 -99.99  31.00 
1986 07 99.99 -99.99  28.20 
1986 08 99.99 -99.99  27.10 
1986 09 99.99 -99.99  26.90 
1986 10 99.99 -99.99  28.30 
1986 11 99.99 -99.99  25.50 
1986 12 99.99 -99.99  23.20 
1987 01 99.99 -99.99  24.50 
1987 02 99.99 -99.99  26.30 
1987 03 99.99 -99.99  29.10 
1987 04 99.99 -99.99  32.59 
1987 05 99.99 -99.99  33.09 
1987 06 99.99 -99.99  30.10 
1987 07 99.99 -99.99  28.60 
1987 08 99.99 -99.99  27.90 
1987 09 99.99 -99.99  27.80 
1987 10 99.99 -99.99  28.70 
1987 11 99.99 -99.99  28.10 
1988 01 99.99 -99.99  24.40 
1988 02 99.99 -99.99  27.80 
1988 03 99.99 -99.99  30.50 
1988 04 99.99 -99.99  32.40 
1988 05 99.99 -99.99  32.40 
1988 06 99.99 -99.99  28.80 
1988 07 99.99 -99.99  27.30 
1988 08 99.99 -99.99  27.20 
1988 09 99.99 -99.99  27.40 
1988 10 99.99 -99.99  28.70 
1988 11 99.99 -99.99  27.70 
1988 12 99.99 -99.99  24.00 
1989 01 99.99 -99.99  24.30 
1989 02 99.99 -99.99  24.30 
1989 03 99.99 -99.99  29.70 
1989 04 99.99 -99.99  31.60 
1989 05 99.99 -99.99  32.50 
1989 06 99.99 -99.99  29.50 
1989 07 99.99 -99.99  27.50 
1989 08 99.99 -99.99  27.30 
1989 09 99.99 -99.99  27.50 
1989 10 99.99 -99.99  28.30 
1989 11 99.99 -99.99  27.70 
1989 12 99.99 -99.99  25.10 
1990 01 99.99 -99.99  24.60 
1990 02 99.99 -99.99  28.00 
1990 03 99.99 -99.99  30.80 
1990 04 99.99 -99.99  33.00 
1990 05 99.99 -99.99  33.30 
1990 06 99.99 -99.99  31.70 
1990 07 99.99 -99.99  28.70 
1990 08 99.99 -99.99  28.10 
1990 09 99.99 -99.99  28.20 
1990 10 99.99 -99.99  28.80 
1990 11 99.99 -99.99  27.80 
1990 12 99.99 -99.99  25.60 
