1961 06 32.70  25.00  28.85 
1961 07 32.00  24.70  28.35 
1961 08 33.80  25.00  29.40 
1961 09 32.00  23.60  27.80 
1961 10 33.50  24.50  29.00 
1961 11 32.00  23.00  27.50 
1961 12 31.90  22.00  26.95 
1962 01 30.60  21.60  26.10 
1962 02 30.00  21.30  25.65 
1962 03 28.80  19.00  23.90 
1962 04 31.90  20.60  26.25 
1962 05 31.60  23.40  27.50 
1962 06 31.20  24.30  27.75 
1962 07 32.20  24.90  28.55 
1962 08 33.20  24.60  28.90 
1962 09 32.09  24.50  28.30 
1962 10 32.70  24.30  28.50 
1962 11 33.59  23.30  28.45 
1962 12 32.30  22.70  27.50 
1963 01 32.20  21.90  27.05 
1963 02 30.00  20.60  25.30 
1963 03 30.00  21.00  25.50 
1963 04 31.00  22.30  26.65 
1963 05 32.90  24.10  28.50 
1963 06 32.40  24.50  28.45 
1963 07 31.40  24.20  27.80 
1963 08 34.09  25.30  29.70 
1963 09 32.30  24.50  28.40 
1963 10 33.40  24.70  29.05 
1963 11 33.59  23.70  28.65 
1963 12 33.09  23.20  28.15 
1964 01 32.00  22.40  27.20 
1964 02 31.40  21.10  26.25 
1964 03 30.30  20.80  25.55 
1964 04 31.70  22.60  27.15 
1964 05 31.30  22.70  27.00 
1964 06 31.30  24.10  27.70 
1964 07 32.09  24.60  28.34 
1964 08 33.09  24.30  28.70 
1964 09 32.50  24.00  28.25 
1964 10 32.09  24.20  28.15 
1964 11 33.70  23.80  28.75 
1964 12 30.00  20.60  25.30 
1965 01 30.90  20.90  25.90 
1965 02 29.10  19.70  24.40 
1965 03 30.10  20.40  25.25 
1965 04 29.70  22.10  25.90 
1965 05 32.30  24.60  28.45 
1965 06 32.20  24.50  28.35 
1965 07 33.00  25.70  29.35 
1965 08 32.09  25.00  28.55 
1965 09 32.50  25.40  28.95 
1965 10 33.00  24.80  28.90 
1965 11 33.50  25.00  29.25 
1965 12 31.00  23.90  27.45 
1966 01 30.80  22.60  26.70 
1966 02 30.40  22.20  26.30 
1966 03 31.40  22.30  26.84 
1966 04 28.30  20.80  24.55 
1966 05 30.90  23.30  27.09 
1966 06 31.30  24.80  28.05 
1966 07 33.20  25.50  29.35 
1966 08 32.70  24.80  28.75 
1966 09 32.20  25.00  28.60 
1966 10 31.20  24.20  27.70 
1966 11 32.90  23.50  28.20 
1966 12 30.60  21.80  26.20 
1967 01 30.70  20.60  25.65 
1967 02 30.60  20.50  25.55 
1967 03 32.20  21.40  26.80 
1967 04 30.90  21.70  26.30 
1967 05 32.50  23.70  28.10 
1967 06 31.90  24.30  28.09 
1967 07 32.40  24.70  28.55 
1967 08 32.20  24.00  28.10 
1967 09 31.90  24.10  28.00 
1967 10 33.00  24.10  28.55 
1967 11 33.70  23.40  28.55 
1967 12 31.00  21.60  26.30 
1968 01 33.00  21.70  27.35 
1968 02 30.30  20.80  25.55 
1968 03 27.50  19.40  23.45 
1968 04 29.30  20.50  24.90 
1968 05 32.00  23.50  27.75 
1968 06 29.90  22.90  26.40 
1968 07 32.09  24.60  28.34 
1968 08 33.00  24.50  28.75 
1968 09 31.80  24.20  28.00 
1968 10 33.59  24.70  29.15 
1968 11 33.00  23.60  28.30 
1968 12 33.00  23.20  28.10 
1969 02 32.09  21.80  26.95 
1969 03 31.30  21.80  26.55 
1969 05 30.60  22.60  26.60 
1969 06 31.30  24.70  28.00 
1969 07 33.09  25.00  29.05 
1969 08 31.40  24.10  27.75 
1969 09 31.80  24.50  28.15 
1969 10 31.50  23.90  27.70 
1969 11 33.09  23.20  28.15 
1969 12 31.60  22.50  27.05 
1970 01 31.50  21.40  26.45 
1970 02 31.20  22.00  26.60 
1970 03 30.50  20.90  25.70 
1970 04 29.40  20.00  24.70 
1970 05 33.09  22.80  27.95 
1970 06 32.50  22.70  27.60 
1970 07 31.70  23.90  27.80 
1970 08 32.50  24.60  28.55 
1970 09 31.10  23.70  27.40 
1970 10 34.70  25.00  29.85 
1970 11 32.70  23.10  27.90 
1970 12 32.30  21.60  26.95 
1971 01 29.20  20.60  24.90 
1971 02 29.10  19.79  24.45 
1971 03 30.00  20.20  25.10 
1971 06 33.00  23.50  28.25 
1971 07 33.00  24.60  28.80 
1971 08 31.20  23.70  27.45 
1971 09 31.00  23.70  27.35 
1971 10 32.50  23.90  28.20 
1971 11 32.50  23.20  27.85 
1971 12 32.70  22.50  27.60 
1972 01 31.10  21.40  26.25 
1972 02 32.00  20.29  26.15 
1972 03 31.60  21.50  26.55 
1972 04 31.60  22.20  26.90 
1972 05 32.80  22.30  27.55 
1972 06 33.09  23.20  28.15 
1972 07 33.30  24.90  29.09 
1972 08 33.40  25.00  29.20 
1972 09 34.00  25.20  29.60 
1972 10 34.90  25.30  30.10 
1972 11 33.70  24.80  29.25 
1972 12 33.70  23.30  28.50 
1973 01 32.80  22.60  27.70 
1973 02 32.30  22.30  27.30 
1973 03 30.60  21.60  26.10 
1973 04 30.60  21.60  26.10 
1973 05 31.80  23.10  27.45 
1973 06 31.60  24.30  27.95 
1973 07 31.00  24.80  27.90 
1973 08 31.40  24.70  28.05 
1973 09 31.20  24.80  28.00 
1973 10 31.80  24.70  28.25 
1973 11 31.20  23.40  27.30 
1973 12 30.40  22.00  26.20 
1974 01 30.40  21.30  25.84 
1974 02 30.80  19.90  25.34 
1974 03 31.10  18.70  24.90 
1974 04 30.30  21.80  26.05 
1974 05 30.00  22.60  26.30 
1974 06 30.60  23.60  27.10 
1974 07 31.40  24.30  27.84 
1974 08 32.09  24.90  28.50 
1974 09 31.00  24.00  27.50 
1974 11 32.59  23.00  27.80 
1974 12 31.40  22.20  26.80 
1975 01 30.00  21.30  25.65 
1975 02 29.60  21.60  25.60 
1975 03 29.50  20.80  25.15 
1975 04 28.90  21.50  25.20 
1975 05 29.90  22.90  26.40 
1975 06 30.20  23.00  26.60 
1975 07 29.40  23.90  26.65 
1975 08 31.50  24.60  28.05 
1975 09 30.60  24.10  27.35 
1975 10 32.70  24.70  28.70 
1975 11 32.40  23.40  27.90 
1975 12 30.40  21.80  26.09 
1976 01 29.40  21.40  25.40 
1976 02 29.40  21.90  25.65 
1976 03 28.60  20.80  24.70 
1976 04 27.90  21.20  24.55 
1976 05 30.30  22.40  26.34 
1976 06 31.50  25.20  28.35 
1976 07 31.50  25.10  28.30 
1976 08 31.40  24.80  28.09 
1976 09 31.50  24.50  28.00 
1976 10 30.80  24.60  27.70 
1976 11 32.00  24.80  28.40 
1976 12 30.00  22.90  26.45 
1977 01 30.10  23.00  26.55 
1977 02 28.90  21.30  25.09 
1977 03 28.90  21.50  25.20 
1977 04 29.50  22.60  26.05 
1977 05 30.00  23.80  26.90 
1977 06 31.00  25.40  28.20 
1977 07 31.80  24.70  28.25 
1977 08 30.90  24.90  27.90 
1977 09 31.50  24.90  28.20 
1977 10 31.80  24.70  28.25 
1977 11 31.00  24.20  27.60 
1977 12 30.40  22.40  26.40 
1978 01 29.90  22.70  26.30 
1978 02 29.00  21.80  25.40 
1978 03 31.00  21.20  26.10 
1978 04 31.90  19.29  25.59 
1978 05 32.70  21.50  27.10 
1978 06 33.59  23.50  28.55 
1978 07 34.00  22.90  28.45 
1978 08 35.50  23.80  29.65 
1978 09 33.20  22.90  28.05 
1978 10 34.20  23.00  28.60 
1978 11 33.70  22.80  28.25 
1978 12 32.90  22.40  27.65 
1979 01 32.09  19.60  25.84 
1979 02 32.80  20.00  26.40 
1979 03 31.60  17.79  24.70 
1979 05 33.00  21.50  27.25 
1979 06 32.40  22.20  27.30 
1979 07 33.09  23.60  28.34 
1979 08 33.50  22.90  28.20 
1979 11 30.50  19.79  25.15 
1979 12 32.30  20.80  26.55 
1980 01 31.90  19.60  25.75 
1980 02 32.00  18.70  25.35 
1980 03 32.80  18.50  25.65 
1980 04 33.50  19.10  26.30 
1980 05 33.70  22.10  27.90 
1980 06 34.09  23.40  28.75 
1980 08 33.59  23.30  28.45 
1980 09 34.30  23.10  28.70 
1980 10 34.40  22.70  28.55 
1980 11 33.30  20.90  27.09 
1980 12 34.09  20.29  27.20 
1981 01 32.50  19.40  25.95 
1981 02 31.60  18.10  24.85 
1981 03 31.60  19.10  25.35 
1981 04 31.80  18.79  25.30 
1981 05 31.90  18.50  25.20 
1981 06 31.90  22.00  26.95 
1981 08 33.50  23.20  28.35 
1981 09 34.30  23.00  28.65 
1981 10 34.20  22.70  28.45 
1981 11 33.20  21.00  27.10 
1982 01 32.50  20.10  26.30 
1982 02 31.60  19.10  25.35 
1982 03 31.80  19.79  25.80 
1982 04 33.70  19.20  26.45 
1982 05 33.59  22.40  28.00 
1982 07 35.00  23.90  29.45 
1982 08 33.00  22.70  27.85 
1982 09 35.00  24.10  29.55 
1982 10 34.40  23.10  28.75 
1982 11 32.40  21.80  27.10 
1982 12 34.50  21.00  27.75 
1983 01 32.30  20.00  26.15 
1983 02 31.30  19.29  25.30 
1983 03 32.00  20.50  26.25 
1983 04 33.90  20.70  27.30 
1983 05 32.90  22.10  27.50 
1983 06 33.70  24.60  29.15 
1983 07 34.00  23.10  28.55 
1983 08 34.59  24.60  29.59 
1984 01 30.70  20.50  25.60 
1984 02 32.59  19.40  26.00 
1984 03 32.30  19.40  25.84 
1984 04 32.40  19.50  25.95 
1984 08 31.90  23.20  27.55 
1984 09 30.90  23.50  27.20 
1984 10 33.09  22.50  27.80 
1984 11 32.59  22.20  27.40 
1984 12 31.50  19.20  25.35 
1985 01 30.10  18.00  24.05 
1985 02 30.60  18.00  24.30 
1985 03 30.70  18.60  24.65 
1985 04 30.40  18.20  24.30 
1985 05 31.70  19.00  25.35 
1985 07 34.70  22.80  28.75 
1985 08 34.09  23.50  28.80 
1985 09 34.09  23.90  29.00 
1985 10 33.59  23.60  28.59 
1985 11 32.50  22.90  27.70 
1985 12 30.50  20.29  25.40 
1986 01 30.40  19.20  24.80 
1986 02 30.20  19.00  24.60 
1987 01 30.20  20.00  25.10 
1987 02 30.20  19.20  24.70 
1987 03 30.50  19.20  24.85 
1987 04 30.90  19.20  25.05 
1987 05 31.90  21.40  26.65 
1987 07 34.20  24.80  29.50 
1987 09 33.59  24.20  28.90 
1987 10 33.30  23.70  28.50 
1987 11 33.00  23.20  28.10 
1987 12 31.70  20.60  26.15 
1988 01 31.30  18.79  25.05 
1988 02 31.60  19.00  25.30 
1988 03 30.50  18.70  24.60 
1988 04 32.09  19.60  25.84 
1988 05 31.30  19.70  25.50 
1988 06 32.20  22.40  27.30 
1988 07 34.00  23.90  28.95 
1988 08 32.30  23.80  28.05 
