1937 07 27.90  24.70  26.30 
1937 08 28.90  26.10  27.50 
1937 09 28.40  25.80  27.09 
1937 10 27.00  24.40  25.70 
1937 11 27.60  24.80  26.20 
1937 12 27.60  24.80  26.20 
1938 01 28.50  25.90  27.20 
1938 02 27.90  25.70  26.80 
1938 04 27.50  23.70  25.60 
1938 05 29.20  26.80  28.00 
1938 06 28.20  26.20  27.20 
1938 07 27.10  25.30  26.20 
1938 08 27.10  25.50  26.30 
1938 09 28.70  26.50  27.60 
1938 10 27.50  25.90  26.70 
1938 11 26.50  25.30  25.90 
1938 12 27.20  25.60  26.40 
1939 03 28.20  26.90  27.55 
1939 04 28.10  25.90  27.00 
1939 06 30.30  26.30  28.30 
1940 01 31.20 -99.99 -99.99 
1940 02 34.40  20.40  27.40 
1940 03 36.90  20.50  28.70 
1940 04 33.50  20.70  27.10 
1940 05 32.80  20.40  26.59 
1940 06 34.90  19.10  27.00 
1940 07 34.09  21.30  27.70 
1940 08 36.00  19.79  27.90 
1940 09 38.50  20.90  29.70 
1940 10 34.30  20.90  27.59 
1940 11 32.80  20.00  26.40 
1940 12 33.70  20.29  27.00 
1941 01 33.20  20.40  26.80 
1941 02 34.50  21.10  27.80 
1941 03 34.30  21.50  27.90 
1941 04 33.00  21.40  27.20 
1941 05 35.00  21.40  28.20 
1941 06 36.09  21.70  28.90 
1941 07 36.00  21.80  28.90 
1941 08 36.40  21.60  29.00 
1941 09 36.30  20.90  28.59 
1941 10 34.40  22.20  28.30 
1941 11 33.50  21.90  27.70 
1941 12 33.30  21.50  27.40 
1942 01 34.09  21.30  27.70 
1942 02 34.09  21.90  28.00 
1942 03 33.70  22.30  28.00 
1942 04 32.50  21.50  27.00 
1942 05 32.40  21.20  26.80 
1942 06 33.70  20.90  27.30 
1942 07 35.30  21.10  28.20 
1942 08 35.50  20.70  28.10 
1942 09 35.59  20.80  28.20 
1942 10 33.70  21.30  27.50 
1942 11 32.30  20.90  26.59 
1942 12 31.10  11.90  21.50 
1943 01 99.99  20.00 -99.99 
1943 02 99.99  19.79 -99.99 
1943 03 99.99  20.00 -99.99 
1943 04 99.99  20.29 -99.99 
1943 05 99.99  20.10 -99.99 
1943 06 99.99  20.00 -99.99 
1943 07 99.99  20.70 -99.99 
1943 09 99.99  21.20 -99.99 
1943 10 99.99  20.60 -99.99 
1943 11 99.99  20.70 -99.99 
1943 12 99.99  20.10 -99.99 
1952 09 35.20  22.20  28.70 
1952 10 33.90  21.50  27.70 
1952 11 31.40  21.20  26.30 
1952 12 31.50  21.30  26.40 
1953 01 31.70  21.00  26.35 
1953 02 32.20  20.80  26.50 
1953 03 31.90  21.80  26.84 
1953 04 32.00  21.00  26.50 
1953 05 30.60  21.00  25.80 
1953 06 31.40  21.70  26.55 
1953 07 34.59  20.80  27.70 
1953 08 35.20  22.40  28.80 
1953 09 35.00  21.60  28.30 
1953 10 31.30  20.80  26.05 
1953 11 31.30  20.50  25.90 
1953 12 31.40  19.79  25.59 
1954 01 33.90  17.90  25.90 
1954 02 32.50  18.60  25.55 
1954 03 33.09  18.20  25.65 
1954 04 31.60  17.40  24.50 
1954 05 33.09  16.70  24.90 
1954 06 33.20  16.20  24.70 
1954 07 34.09  15.90  25.00 
1954 08 34.40  16.60  25.50 
1954 09 36.50  16.10  26.30 
1954 10 99.99  15.70 -99.99 
1954 11 99.99  16.10 -99.99 
1954 12 99.99  14.60 -99.99 
1955 01 34.59  13.40  24.00 
1955 02 36.00  13.10  24.55 
1955 03 34.80  12.70  23.75 
1955 04 31.70  22.20  26.95 
1955 05 31.60  22.60  27.10 
1955 06 30.50  21.30  25.90 
1955 07 30.50  20.10  25.30 
1955 08 33.40  20.29  26.85 
1955 09 32.30  20.00  26.15 
1955 10 29.60  19.29  24.45 
1955 11 30.20  18.40  24.30 
1955 12 30.00  17.79  23.90 
1964 01 33.70  20.29  27.00 
1964 02 34.20  19.40  26.80 
1964 03 34.30  17.50  25.90 
1964 05 32.70  20.00  26.35 
1964 06 31.50  19.40  25.45 
1964 07 33.30  17.29  25.30 
1964 08 34.70  16.70  25.70 
1964 12 32.00  18.20  25.10 
1965 01 34.00  17.40  25.70 
1965 02 36.20  17.50  26.85 
1965 03 35.50  19.79  27.65 
1965 04 31.60  18.79  25.20 
1965 05 31.70  16.79  24.25 
1965 06 33.90  17.50  25.70 
1965 07 34.40  18.20  26.30 
1965 08 35.59  19.60  27.59 
1965 09 36.70  22.50  29.60 
1965 10 34.20  22.20  28.20 
1965 11 32.09  21.70  26.90 
1965 12 32.00  21.00  26.50 
1966 01 36.30  21.90  29.09 
1966 02 36.70  22.80  29.75 
1966 03 33.20  22.40  27.80 
1966 04 33.40  22.30  27.85 
1966 05 35.00  22.40  28.70 
1966 06 35.20  22.10  28.65 
1966 07 33.09  21.40  27.25 
1966 10 32.80  17.60  25.20 
1966 11 31.70  20.00  25.85 
1966 12 31.60  19.50  25.55 
1968 01 32.90  21.70  27.30 
1968 02 32.00  22.30  27.15 
1968 03 32.00  21.90  26.95 
1968 04 33.00  22.20  27.60 
1968 05 32.80  22.10  27.45 
1968 06 32.59  21.40  27.00 
1968 07 33.80 -99.99 -99.99 
1968 08 34.40  19.20  26.80 
1968 09 34.09  17.90  26.00 
1968 10 32.30  17.60  24.95 
1968 11 31.70  18.60  25.15 
1968 12 33.20  17.50  25.35 
1969 01 32.59  17.40  25.00 
1969 02 33.30  21.90  27.59 
1969 03 34.90  21.10  28.00 
1969 04 31.60  21.30  26.45 
1969 05 33.40  22.20  27.80 
1969 06 34.09  22.40  28.25 
1969 07 33.80  22.30  28.05 
1969 08 34.50  22.50  28.50 
1969 09 35.50  22.00  28.75 
1969 11 31.90  21.00  26.45 
1969 12 32.30  20.80  26.55 
1970 01 33.70  21.80  27.75 
1970 02 33.30  21.80  27.55 
1970 03 32.00  22.20  27.10 
1970 04 32.80  22.40  27.59 
1970 05 31.60  21.30  26.45 
1970 06 32.59  21.30  26.95 
1970 07 34.09  21.60  27.84 
1970 08 34.20  22.20  28.20 
1970 09 33.59  22.20  27.90 
1970 10 32.09  21.90  27.00 
1970 11 30.50  22.10  26.30 
1970 12 31.60  21.60  26.60 
1971 01 31.10  21.60  26.35 
1971 02 30.60  21.20  25.90 
1971 03 31.90  21.00  26.45 
1971 04 31.20  21.80  26.50 
1971 05 31.30  21.80  26.55 
1971 06 32.20  21.60  26.90 
1971 07 33.59  22.10  27.84 
1971 08 33.50  22.70  28.10 
1971 10 33.40  22.80  28.10 
1971 11 31.00 -99.99 -99.99 
1971 12 32.50  21.10  26.80 
1972 01 32.09  21.20  26.65 
1972 02 32.80  21.60  27.20 
1972 03 31.90 -99.99 -99.99 
1972 04 32.40  22.00  27.20 
1972 05 33.00  22.50  27.75 
1972 06 33.09  21.80  27.45 
1972 07 34.50  22.60  28.55 
1972 08 34.20  22.90  28.55 
1972 09 34.90  23.80  29.35 
1972 10 34.80 -99.99 -99.99 
1972 11 32.40  21.90  27.15 
1972 12 32.70  21.70  27.20 
1973 01 35.59  22.50  29.05 
1973 02 35.59  23.10  29.34 
1973 03 35.09  22.80  28.95 
1973 04 33.40  22.50  27.95 
1973 05 33.09  21.80  27.45 
1973 06 32.30  22.40  27.34 
1973 07 32.90  21.80  27.35 
1973 08 33.40  21.70  27.55 
1973 09 32.70  20.80  26.75 
1973 10 32.50  21.50  27.00 
1973 11 31.70  21.20  26.45 
1973 12 31.10 -99.99 -99.99 
1974 01 32.40 -99.99 -99.99 
1974 02 31.10 -99.99 -99.99 
1974 05 32.40  21.80  27.10 
1974 06 31.90  21.60  26.75 
1974 07 33.50  22.40  27.95 
1974 08 99.99  23.80 -99.99 
1974 09 99.99  22.50 -99.99 
1974 10 31.80  21.60  26.70 
1974 11 99.99  22.20 -99.99 
1975 01 99.99  21.90 -99.99 
1975 02 99.99  21.90 -99.99 
1975 03 33.50  21.10  27.30 
1975 04 99.99  22.10 -99.99 
1975 05 32.40  20.50  26.45 
1975 06 32.09  19.60  25.84 
1975 07 32.40  21.30  26.85 
1975 08 33.80  21.70  27.75 
1975 09 34.30  21.60  27.95 
1975 10 32.59  21.40  27.00 
1975 11 31.30  21.60  26.45 
1975 12 31.30  21.20  26.25 
1976 01 32.70  21.20  26.95 
1976 02 32.20  21.70  26.95 
1976 03 31.90  21.50  26.70 
1976 05 32.70  21.90  27.30 
1976 06 33.40  22.00  27.70 
1976 07 34.00  22.90  28.45 
1976 08 35.20  22.60  28.90 
1976 09 35.20  23.20  29.20 
1976 10 32.40  22.50  27.45 
1976 11 31.90  21.80  26.84 
1976 12 32.00  22.10  27.05 
1977 01 34.50  22.50  28.50 
1977 02 34.59  22.50  28.55 
1977 03 35.40  24.10  29.75 
1977 04 31.90  22.20  27.05 
1977 05 32.59  22.50  27.55 
1977 06 33.70  21.90  27.80 
1977 07 35.20  22.40  28.80 
1977 08 35.20  23.00  29.10 
1977 09 35.00  23.70  29.35 
1977 10 33.40  22.90  28.15 
1977 11 31.90  22.20  27.05 
1977 12 34.20  22.70  28.45 
1978 01 33.70  22.80  28.25 
1978 02 35.09  23.10  29.09 
1978 03 34.00  22.90  28.45 
1978 04 31.50  22.30  26.90 
1978 05 32.30  21.90  27.09 
1978 06 33.00  21.80  27.40 
1978 07 34.40  22.50  28.45 
1978 08 34.50  22.90  28.70 
1978 09 35.00  23.10  29.05 
1978 10 33.50  22.60  28.05 
1978 11 32.50  22.60  27.55 
1978 12 32.50  22.50  27.50 
1979 01 32.50  22.50  27.50 
1979 02 34.09  22.20  28.15 
1979 05 32.50  22.60  27.55 
1979 06 32.80  22.10  27.45 
1979 07 34.30  22.50  28.40 
1979 08 99.99  23.00 -99.99 
1979 09 99.99  22.10 -99.99 
1979 10 33.20  22.60  27.90 
1979 11 31.70  22.30  27.00 
1979 12 32.59  22.50  27.55 
1980 01 33.90  22.70  28.30 
1980 02 33.30  22.70  28.00 
1980 03 34.20  23.30  28.75 
1980 04 33.70  22.80  28.25 
1980 05 34.59  22.90  28.75 
1980 06 34.09  22.80  28.45 
1980 07 35.09  23.30  29.20 
1980 08 35.90  23.10  29.50 
1980 09 35.80  24.10  29.95 
1980 10 33.30  22.70  28.00 
1980 11 32.30  22.30  27.30 
1980 12 31.90  21.70  26.80 
1981 01 33.20  22.30  27.75 
1981 02 33.90  22.60  28.25 
1981 03 33.70  22.90  28.30 
1981 04 32.90  22.40  27.65 
1981 05 31.90  22.10  27.00 
1981 06 32.90  21.70  27.30 
1981 07 33.50  22.30  27.90 
1981 08 35.20  23.00  29.10 
1981 09 35.00  23.10  29.05 
1981 10 33.90  22.40  28.15 
1981 11 32.00  22.10  27.05 
1981 12 32.50  22.30  27.40 
1982 01 32.40  21.80  27.10 
1982 02 32.40  22.50  27.45 
1982 03 32.59  22.00  27.30 
1982 04 32.00  22.20  27.10 
1982 05 33.00  21.70  27.35 
1982 06 34.30  22.00  28.15 
1982 07 34.20  22.20  28.20 
1982 08 35.09  23.50  29.30 
1982 09 34.70  23.90  29.30 
1982 10 32.70  21.50  27.10 
1982 11 32.30  22.20  27.25 
1982 12 32.50  22.50  27.50 
1983 01 34.30  22.90  28.59 
1983 02 34.50  23.00  28.75 
1983 03 34.40  23.30  28.85 
1983 04 33.20  22.50  27.85 
1983 05 33.70  22.90  28.30 
1983 06 34.59  22.40  28.50 
1983 07 35.30  22.90  29.09 
1983 08 34.90  23.30  29.10 
1983 09 35.30  23.60  29.45 
1983 10 33.00  23.40  28.20 
1983 11 31.70  22.60  27.15 
1983 12 30.90  21.50  26.20 
1984 01 30.10  21.20  25.65 
1984 02 31.50  21.60  26.55 
1984 03 32.40  22.60  27.50 
1984 04 31.30  21.80  26.55 
1984 05 31.00  22.00  26.50 
1984 06 31.50  21.80  26.65 
1984 07 31.80  21.80  26.80 
1984 08 33.40  22.00  27.70 
1984 09 32.59  22.10  27.34 
1984 10 31.10  21.80  26.45 
1984 11 30.20  21.70  25.95 
1984 12 31.70  21.90  26.80 
1985 01 33.20  23.60  28.40 
1985 02 34.40  22.10  28.25 
1985 03 32.90  23.40  28.15 
1985 04 32.70  22.70  27.70 
1985 05 31.70  22.10  26.90 
1985 06 33.00  22.30  27.65 
1985 07 33.40  22.40  27.90 
1985 08 33.70  22.50  28.10 
1985 09 34.09  23.10  28.59 
1985 10 31.80  22.50  27.15 
1985 11 30.50  22.20  26.35 
1985 12 30.90  22.50  26.70 
1986 01 32.00  22.20  27.10 
1986 02 31.70  22.00  26.85 
1986 03 29.90  21.80  25.84 
1986 04 31.60  22.10  26.85 
1986 05 33.40  22.70  28.05 
1986 06 31.90  22.10  27.00 
1986 07 33.20  22.50  27.85 
1986 08 35.09  23.70  29.40 
1986 09 34.20  23.60  28.90 
1986 10 30.90  21.80  26.34 
1986 11 30.80  22.30  26.55 
1986 12 32.59  22.50  27.55 
1987 01 33.50  22.90  28.20 
1987 02 34.20  23.20  28.70 
1987 03 33.40  23.20  28.30 
1987 04 32.70  22.90  27.80 
1987 05 32.30  22.60  27.45 
1987 06 34.09  23.60  28.84 
1987 07 34.20  23.80  29.00 
1987 08 34.50  23.40  28.95 
1987 09 35.00  23.60  29.30 
1987 10 32.20  22.90  27.55 
1987 11 31.60  22.40  27.00 
1987 12 32.59  22.20  27.40 
1988 01 33.80  23.00  28.40 
1988 02 33.30  23.60  28.45 
1988 03 33.30  23.00  28.15 
1988 04 32.30  22.50  27.40 
1988 05 33.09  22.80  27.95 
1988 06 32.90  22.00  27.45 
1988 07 32.40  22.30  27.35 
1988 08 33.90  22.80  28.35 
1988 09 33.70  22.80  28.25 
1988 10 31.00  21.80  26.40 
1988 11 30.50  21.90  26.20 
1988 12 30.10  21.20  25.65 
1989 01 31.70  21.70  26.70 
1989 02 31.30  21.90  26.59 
1989 03 30.70  21.50  26.10 
1989 04 31.80  22.40  27.09 
1989 05 31.60  22.30  26.95 
1989 06 33.00  22.30  27.65 
1989 07 32.90  22.30  27.60 
1989 08 33.40  22.10  27.75 
1989 09 33.70  22.10  27.90 
1989 10 32.59  22.20  27.40 
1989 11 32.59  22.90  27.75 
1989 12 33.00  22.70  27.85 
1990 01 32.50  22.10  27.30 
1990 02 31.10  21.90  26.50 
1990 03 32.70  22.50  27.60 
1990 04 31.50  22.40  26.95 
1990 05 32.09  22.70  27.40 
1990 06 33.90  22.90  28.40 
1990 07 33.90  22.10  28.00 
1990 08 35.00  23.20  29.10 
1990 09 35.80  23.40  29.59 
1990 10 32.00  22.10  27.05 
1990 11 31.30  22.60  26.95 
1990 12 31.10  22.10  26.60 
