1957 08 32.20  24.90  28.55 
1957 09 33.20  24.20  28.70 
1957 10 31.90  23.00  27.45 
1957 11 29.90  15.80  22.85 
1957 12 26.50  12.20  19.35 
1958 01 28.10  11.00  19.54 
1958 02 28.60  12.80  20.70 
1958 03 35.09  16.70  25.90 
1958 04 35.80  23.80  29.80 
1958 05 33.90  24.40  29.15 
1958 06 33.59  25.60  29.59 
1958 07 32.30  24.40  28.34 
1958 08 31.50  24.40  27.95 
1958 09 33.50  24.60  29.05 
1958 10 32.50  23.60  28.05 
1958 11 29.80  18.20  24.00 
1958 12 27.00  12.20  19.60 
1959 01 26.20  10.20  18.20 
1959 02 27.40  13.20  20.29 
1959 03 30.90  16.79  23.84 
1959 04 33.80  22.40  28.09 
1959 05 33.40  24.00  28.70 
1959 06 31.20  24.00  27.60 
1959 07 31.70  24.80  28.25 
1959 08 30.60  24.50  27.55 
1959 09 30.10  24.40  27.25 
1959 10 30.30  22.70  26.50 
1959 11 28.10  15.70  21.90 
1959 12 26.70  13.30  20.00 
1960 01 26.50  10.30  18.40 
1960 02 31.00  12.80  21.90 
1960 03 33.09  16.70  24.90 
1960 04 36.50  23.00  29.75 
1960 05 35.00  25.20  30.10 
1960 06 32.70  25.20  28.95 
1960 07 30.00  24.60  27.30 
1960 08 32.30  25.50  28.90 
1960 09 32.50  24.80  28.65 
1960 10 31.60  23.40  27.50 
1960 11 29.40  17.20  23.30 
1960 12 27.60  13.70  20.65 
1961 01 27.70  12.40  20.04 
1961 02 27.50  12.40  19.95 
1961 03 33.59  20.40  27.00 
1961 04 35.00  23.50  29.25 
1961 05 35.00  25.20  30.10 
1961 06 31.10  24.60  27.85 
1961 07 31.00  25.10  28.05 
1961 08 31.70  25.30  28.50 
1961 09 32.59  25.30  28.95 
1961 10 32.09  24.40  28.25 
1961 11 29.00  19.90  24.45 
1961 12 25.90  14.80  20.35 
1962 01 25.70  13.20  19.45 
1962 02 28.90  16.79  22.84 
1962 03 34.70  20.40  27.55 
1962 04 35.09  24.70  29.90 
1962 05 34.50  25.10  29.80 
1962 06 31.40  25.00  28.20 
1962 07 32.70  25.70  29.20 
1962 08 31.70  25.20  28.45 
1962 09 33.59  25.50  29.55 
1962 10 31.20  24.20  27.70 
1962 11 29.60  20.00  24.80 
1962 12 27.70  16.50  22.10 
1963 01 28.30  14.40  21.34 
1963 02 32.40  18.20  25.30 
1963 03 34.09  20.90  27.50 
1963 04 32.59  22.90  27.75 
1963 05 32.00  24.10  28.05 
1963 06 29.80  25.40  27.59 
1963 07 30.60  25.20  27.90 
1963 08 32.50  25.60  29.05 
1963 09 33.70  25.90  29.80 
1963 10 31.70  24.50  28.10 
1963 11 29.40  20.80  25.09 
1963 12 27.50  17.79  22.65 
1964 01 26.80  15.60  21.20 
1964 02 30.40  17.40  23.90 
1964 03 34.70  22.50  28.60 
1964 04 32.40  23.70  28.05 
1964 05 32.70  24.80  28.75 
1964 06 32.20  25.60  28.90 
1964 07 30.50  25.10  27.80 
1964 11 30.50  22.20  26.35 
1965 01 27.00  15.70  21.35 
1965 02 28.70  16.79  22.75 
1965 03 32.40  19.79  26.10 
1965 04 34.40  24.30  29.35 
1965 05 34.70  25.70  30.20 
1965 06 31.40  25.10  28.25 
1965 07 30.50  25.10  27.80 
1965 08 30.30  24.80  27.55 
1965 09 32.59  25.30  28.95 
1965 10 31.60  24.60  28.10 
1965 11 29.90  21.80  25.84 
1965 12 27.00  19.40  23.20 
1966 01 26.70  16.90  21.80 
1966 02 31.60  18.00  24.80 
1966 03 33.59  21.40  27.50 
1966 04 35.70  24.90  30.30 
1966 05 34.80  25.90  30.34 
1966 06 30.20  25.40  27.80 
1966 07 32.09  25.80  28.95 
1966 08 31.70  25.40  28.55 
1966 09 32.50  25.70  29.10 
1966 10 31.20  23.90  27.55 
1966 11 30.90  22.20  26.55 
1966 12 26.30  18.10  22.20 
1967 01 26.70  17.20  21.95 
1967 02 31.10  17.79  24.45 
1967 03 32.40  21.00  26.70 
1967 04 34.30  23.30  28.80 
1967 05 34.59  25.50  30.05 
1967 06 34.20  26.20  30.20 
1967 07 32.50  25.70  29.10 
1967 08 33.09  25.70  29.40 
1967 09 32.70  25.60  29.15 
1967 10 32.09  24.30  28.20 
1967 11 29.50  19.70  24.60 
1967 12 27.70  17.00  22.35 
1968 01 27.40  15.40  21.40 
1968 02 29.50  16.90  23.20 
1968 03 34.40  21.30  27.85 
1968 04 34.70  23.60  29.15 
1968 05 33.40  24.40  28.90 
1968 06 31.30  24.50  27.90 
1968 07 32.09  25.30  28.70 
1968 08 32.70  25.70  29.20 
1968 09 33.40  25.90  29.65 
1968 10 32.30  24.80  28.55 
1968 11 29.70  21.80  25.75 
1968 12 28.10  17.20  22.65 
1969 01 27.00  14.70  20.85 
1969 02 31.20  16.20  23.70 
1969 03 33.90  21.00  27.45 
1969 04 35.30  23.70  29.50 
1969 05 32.09  25.30  28.70 
1969 06 35.00  26.30  30.65 
1969 07 31.60  26.00  28.80 
1969 08 30.50  24.70  27.60 
1969 09 32.50  25.40  28.95 
1969 10 31.60  24.50  28.05 
1969 11 29.20  21.10  25.15 
1969 12 27.10  17.00  22.05 
1970 01 25.70  14.90  20.29 
1970 02 29.20  17.60  23.40 
1970 03 32.70  21.60  27.15 
1970 04 34.30  24.20  29.25 
1970 05 33.90  26.00  29.95 
1970 06 31.80  25.80  28.80 
1970 07 29.90  24.90  27.40 
1970 08 30.80  25.40  28.09 
1970 09 30.30  25.60  27.95 
1970 10 30.30  24.80  27.55 
1970 11 28.10  21.50  24.80 
1970 12 27.30  17.40  22.34 
1971 01 26.30  16.29  21.30 
1971 02 29.20  17.10  23.15 
1971 03 34.30  20.50  27.40 
1971 04 31.60  22.00  26.80 
1971 05 32.30  24.70  28.50 
1971 06 30.00  24.90  27.45 
1971 07 29.10  24.90  27.00 
1971 08 29.10  24.50  26.80 
1971 09 32.09  25.30  28.70 
1971 10 31.40  24.90  28.15 
1971 11 29.00  20.40  24.70 
1971 12 27.40  17.50  22.45 
1972 01 27.40  16.20  21.80 
1972 02 27.90  16.00  21.95 
1972 03 33.59  20.60  27.09 
1972 04 34.80  23.70  29.25 
1972 05 34.70  26.00  30.35 
1972 06 31.60  25.80  28.70 
1972 07 31.00  25.90  28.45 
1972 08 29.90  25.10  27.50 
1972 09 33.00  26.10  29.55 
1972 10 32.20  24.40  28.30 
1972 11 30.60  21.70  26.15 
1972 12 27.50  16.90  22.20 
1973 01 27.80  15.70  21.75 
1973 02 30.50  17.79  24.15 
1973 03 33.30  19.90  26.59 
1973 04 34.90  24.80  29.85 
1973 05 31.80  23.80  27.80 
1973 06 31.10  25.30  28.20 
1973 07 31.00  25.70  28.35 
1973 08 30.30  24.90  27.59 
1973 09 30.70  25.80  28.25 
1973 10 31.10  24.80  27.95 
1973 11 28.30  21.70  25.00 
1973 12 25.60  17.00  21.30 
1974 01 25.90  15.40  20.65 
1974 02 29.30  16.10  22.70 
1974 03 31.30  20.80  26.05 
1974 04 99.99  20.90 -99.99 
1974 05 99.99  20.90 -99.99 
1974 06 30.60  24.90  27.75 
1974 07 28.40  24.20  26.30 
1974 08 30.20  25.20  27.70 
1974 09 30.70  24.70  27.70 
1974 10 31.30  24.90  28.09 
1974 11 29.20  23.30  26.25 
1974 12 25.50  16.20  20.85 
1975 01 25.60  15.60  20.60 
1975 02 28.80  17.00  22.90 
1975 03 33.20  21.80  27.50 
1975 04 33.20  24.80  29.00 
1975 05 32.40  25.20  28.80 
1975 06 31.40  25.70  28.55 
1975 07 28.70  24.90  26.80 
1975 08 30.40  25.90  28.15 
1975 09 30.50  25.10  27.80 
1975 10 31.30  25.50  28.40 
1975 11 26.90  21.30  24.09 
1975 12 25.40  17.00  21.20 
1976 01 25.60  15.70  20.65 
1976 02 30.40  18.60  24.50 
1976 03 33.59  22.00  27.80 
1976 04 33.40  24.30  28.85 
1976 05 32.59  24.10  28.34 
1976 06 28.90  23.30  26.09 
1976 07 29.30  24.50  26.90 
1976 08 30.20  24.70  27.45 
1976 09 31.20  25.30  28.25 
1976 10 30.50  24.20  27.35 
1976 11 29.20  22.40  25.80 
1976 12 25.30  16.90  21.09 
1977 01 25.20  14.70  19.95 
1977 02 27.30  16.70  22.00 
1977 03 32.09  22.10  27.09 
1977 04 29.30  21.50  25.40 
1977 05 30.60  23.30  26.95 
1977 06 30.40  24.50  27.45 
1977 07 30.00  24.70  27.35 
1977 08 29.90  25.90  27.90 
1977 09 31.40  26.00  28.70 
1977 10 30.90  23.70  27.30 
1977 11 28.50  23.00  25.75 
1977 12 26.00  18.50  22.25 
1978 01 24.60  13.80  19.20 
1978 02 28.80  19.29  24.05 
1978 03 31.50  20.20  25.85 
1978 04 33.20  23.60  28.40 
1978 05 31.20  23.60  27.40 
1978 06 29.80  25.00  27.40 
1978 07 29.40  25.30  27.34 
1978 08 30.80  25.90  28.34 
1978 09 30.60  24.80  27.70 
1978 10 31.80  25.40  28.59 
1978 11 29.10  22.00  25.55 
1978 12 25.90  17.60  21.75 
1979 01 26.20  16.00  21.10 
1979 02 28.40  17.60  23.00 
1979 03 31.20  22.70  26.95 
1979 04 33.70  25.00  29.35 
1979 05 34.50  27.20  30.85 
1979 06 31.30  25.70  28.50 
1979 07 31.00  25.60  28.30 
1979 08 30.10  25.20  27.65 
1979 09 30.40  25.80  28.09 
1979 10 31.40  24.70  28.05 
1979 11 30.70  22.90  26.80 
1979 12 26.10  18.79  22.45 
1980 01 26.00  15.70  20.85 
1980 02 27.70  17.00  22.35 
1980 03 30.80  21.50  26.15 
1980 04 34.59  25.40  30.00 
1980 05 31.10  23.30  27.20 
1980 06 30.80  25.30  28.05 
1980 07 31.00  25.90  28.45 
1980 08 31.00  25.30  28.15 
1980 09 31.40  25.20  28.30 
1980 10 30.20  24.00  27.10 
1980 11 29.70  21.90  25.80 
1980 12 26.00  18.60  22.30 
1981 04 30.00  22.60  26.30 
1981 05 31.20  24.80  28.00 
1981 06 31.40  25.20  28.30 
1981 07 30.10  26.40  28.25 
1981 08 30.90  25.60  28.25 
1981 09 31.00  25.50  28.25 
1981 10 30.90  24.90  27.90 
1981 11 29.40  21.80  25.59 
1981 12 25.30  17.50  21.40 
1982 01 26.30  15.90  21.09 
1982 02 27.70  17.90  22.80 
1982 03 31.70  20.80  26.25 
1982 04 32.00  23.30  27.65 
1982 05 34.59  25.30  29.95 
1982 06 29.90  25.20  27.55 
1982 07 31.00  25.10  28.05 
1982 08 30.20  25.50  27.85 
1982 09 30.90  25.70  28.30 
1982 10 31.00  25.20  28.10 
1982 11 27.40  21.60  24.50 
1982 12 25.20  17.20  21.20 
1983 01 25.10  17.10  21.10 
1983 02 26.40  17.60  22.00 
1983 03 30.00  21.30  25.65 
1983 04 32.30  23.40  27.84 
1983 05 31.60  24.20  27.90 
1983 06 31.30  26.20  28.75 
1983 07 29.80  25.90  27.84 
1983 08 30.80  24.90  27.84 
1983 09 31.30  27.00  29.15 
1983 10 31.00  24.70  27.85 
1983 11 28.40  21.20  24.80 
1983 12 25.30  16.29  20.80 
1984 01 24.50  13.40  18.95 
1984 02 28.20  14.30  21.25 
1984 03 31.80  18.70  25.25 
1984 04 33.50  21.90  27.70 
1984 05 32.40  21.50  26.95 
1984 06 30.50  22.50  26.50 
1984 07 31.20  24.60  27.90 
1984 08 30.80  24.90  27.84 
1984 09 30.80  24.50  27.65 
1984 10 31.30  22.70  27.00 
1984 11 29.70  19.90  24.80 
1984 12 28.10  18.29  23.20 
1985 01 26.20  15.60  20.90 
1985 02 30.80  14.70  22.75 
1985 03 32.30  21.10  26.70 
1985 04 32.40  24.20  28.30 
1985 05 32.30  23.70  28.00 
1985 06 29.90  24.30  27.09 
1985 07 29.70  24.60  27.15 
1985 08 31.50  24.30  27.90 
1985 09 31.50  25.00  28.25 
1985 10 32.70  24.40  28.55 
1985 11 28.80  19.79  24.30 
1985 12 26.10  19.90  23.00 
1986 01 25.20  15.20  20.20 
1986 02 29.20  16.20  22.70 
1986 03 33.30  20.29  26.80 
1986 04 33.09  22.00  27.55 
1986 05 32.90  22.80  27.85 
1986 06 31.90  24.70  28.30 
1986 07 30.60  24.00  27.30 
1986 08 32.00  25.00  28.50 
1986 09 31.20  24.90  28.05 
1986 10 31.60  23.00  27.30 
1986 11 28.20  19.50  23.85 
1986 12 27.60  15.70  21.65 
1987 01 25.60  13.60  19.60 
1987 02 28.10  15.40  21.75 
1987 03 31.10  19.29  25.20 
1987 04 31.60  22.20  26.90 
1987 05 33.70  24.40  29.05 
1987 06 31.90  25.70  28.80 
1987 07 30.10  25.80  27.95 
1987 08 30.60  25.80  28.20 
1987 09 31.20  25.10  28.15 
1987 10 31.80  22.00  26.90 
1987 11 29.30  20.70  25.00 
1987 12 26.40  16.10  21.25 
