1962 01 99.99 -99.99  23.80 
1962 02 99.99 -99.99  19.60 
1962 03 99.99 -99.99  13.90 
1962 04 99.99 -99.99  10.10 
1963 05 99.99 -99.99   5.90 
1963 06 99.99 -99.99   9.89 
1963 07 99.99 -99.99  15.20 
1963 08 99.99 -99.99  18.90 
1963 09 99.99 -99.99  23.10 
1963 10 99.99 -99.99  27.50 
1963 11 99.99 -99.99  27.00 
1963 12 99.99 -99.99  27.30 
1964 01 99.99 -99.99  24.20 
1964 02 99.99 -99.99  20.40 
1964 03 99.99 -99.99  13.60 
1964 04 99.99 -99.99   8.80 
1964 05 99.99 -99.99   9.39 
1964 06 99.99 -99.99   8.20 
1964 07 99.99 -99.99  13.40 
1964 08 99.99 -99.99  15.70 
1964 09 99.99 -99.99  22.20 
1964 10 99.99 -99.99  27.90 
1964 11 99.99 -99.99  27.50 
1964 12 99.99 -99.99  25.20 
1965 01 99.99 -99.99  23.90 
1965 02 99.99 -99.99  20.80 
1965 03 99.99 -99.99  15.80 
1965 04 99.99 -99.99   9.39 
1965 05 99.99 -99.99  10.70 
1965 06 99.99 -99.99  12.20 
1965 07 99.99 -99.99  14.00 
1965 08 99.99 -99.99  17.70 
1965 09 99.99 -99.99  23.80 
1965 10 99.99 -99.99  28.90 
1965 11 99.99 -99.99  26.90 
1965 12 99.99 -99.99  26.80 
1966 01 99.99 -99.99  23.10 
1966 02 99.99 -99.99  17.79 
1966 03 99.99 -99.99  13.30 
1966 04 99.99 -99.99   8.70 
1966 05 99.99 -99.99   8.20 
1966 06 99.99 -99.99  10.60 
1966 07 99.99 -99.99  13.10 
1966 08 99.99 -99.99  18.20 
1966 09 99.99 -99.99  22.20 
1966 10 99.99 -99.99  28.90 
1966 11 99.99 -99.99  28.70 
1966 12 99.99 -99.99  26.50 
1967 01 99.99 -99.99  24.80 
1967 02 99.99 -99.99  18.20 
1967 03 99.99 -99.99  13.30 
1967 04 99.99 -99.99  10.60 
1967 05 99.99 -99.99   6.80 
1967 06 99.99 -99.99   8.89 
1967 07 99.99 -99.99  15.30 
1967 08 99.99 -99.99  19.20 
1967 09 99.99 -99.99  21.80 
1967 10 99.99 -99.99  29.30 
1967 11 99.99 -99.99  27.70 
1967 12 99.99 -99.99  26.10 
1968 01 99.99 -99.99  25.30 
1968 02 99.99 -99.99  19.40 
1968 04 99.99 -99.99   9.39 
1968 05 99.99 -99.99   8.20 
1968 06 99.99 -99.99   9.30 
1968 07 99.99 -99.99  16.20 
1968 08 99.99 -99.99  18.20 
1968 09 99.99 -99.99  22.90 
1968 10 99.99 -99.99  29.80 
1968 11 99.99 -99.99  29.10 
1968 12 99.99 -99.99  27.20 
1969 01 99.99 -99.99  23.40 
1969 02 99.99 -99.99  20.29 
1969 03 99.99 -99.99  12.60 
1969 04 99.99 -99.99  10.40 
1969 05 99.99 -99.99   8.20 
1969 06 99.99 -99.99   9.20 
1969 07 99.99 -99.99  12.20 
1969 08 99.99 -99.99  21.70 
1969 09 99.99 -99.99  26.70 
1969 10 99.99 -99.99  29.40 
1969 11 99.99 -99.99  27.80 
1969 12 99.99 -99.99  28.00 
1970 01 99.99 -99.99  24.80 
1970 02 99.99 -99.99  20.60 
1970 03 99.99 -99.99  13.90 
1970 04 99.99 -99.99  10.20 
1970 05 99.99 -99.99   7.70 
1970 06 99.99 -99.99   9.89 
1970 07 99.99 -99.99  16.29 
1970 08 99.99 -99.99  21.60 
1970 09 99.99 -99.99  26.00 
1970 10 99.99 -99.99  28.10 
1970 11 99.99 -99.99  26.80 
1970 12 99.99 -99.99  26.70 
1971 01 99.99 -99.99  24.20 
1971 02 99.99 -99.99  20.29 
1971 03 99.99 -99.99  14.50 
1971 04 99.99 -99.99  10.40 
1971 05 99.99 -99.99   8.70 
1971 06 99.99 -99.99   8.10 
1971 07 99.99 -99.99  14.50 
1971 08 99.99 -99.99  17.60 
1971 09 99.99 -99.99  23.30 
1971 10 99.99 -99.99  28.30 
1971 12 99.99 -99.99  26.50 
1972 01 99.99 -99.99  24.10 
1972 02 99.99 -99.99  19.10 
1972 03 99.99 -99.99  14.90 
1972 04 99.99 -99.99   9.70 
1972 05 99.99 -99.99   6.90 
1972 06 99.99 -99.99  10.70 
1972 07 99.99 -99.99  13.50 
1972 08 99.99 -99.99  19.70 
1972 09 99.99 -99.99  26.20 
1972 10 99.99 -99.99  29.80 
1972 11 99.99 -99.99  27.70 
1972 12 99.99 -99.99  26.80 
1973 01 99.99 -99.99  25.80 
1973 02 99.99 -99.99  19.60 
1973 03 99.99 -99.99  14.60 
1973 04 99.99 -99.99   9.50 
1974 05 99.99 -99.99   8.50 
1974 06 99.99 -99.99   8.89 
1974 07 99.99 -99.99  13.50 
1974 08 99.99 -99.99  14.20 
1974 09 99.99 -99.99  24.20 
1974 10 99.99 -99.99  27.30 
1974 11 99.99 -99.99  26.30 
1974 12 99.99 -99.99  26.30 
1975 01 99.99 -99.99  24.70 
1975 02 99.99 -99.99  21.00 
1975 03 99.99 -99.99  13.40 
1975 04 99.99 -99.99  10.10 
1975 05 99.99 -99.99   8.70 
1975 06 99.99 -99.99   9.10 
1975 07 99.99 -99.99  13.10 
1975 08 99.99 -99.99  18.70 
1975 09 99.99 -99.99  24.10 
1975 10 99.99 -99.99  27.40 
1975 11 99.99 -99.99  28.50 
1975 12 99.99 -99.99  25.70 
1976 01 99.99 -99.99  24.20 
1976 02 99.99 -99.99  19.50 
1976 03 99.99 -99.99  14.30 
1976 04 99.99 -99.99   9.10 
1976 05 99.99 -99.99   8.10 
1976 06 99.99 -99.99  11.00 
1976 07 99.99 -99.99  17.20 
1976 08 99.99 -99.99  20.00 
1976 09 99.99 -99.99  22.90 
1976 10 99.99 -99.99  28.20 
1976 11 99.99 -99.99  27.50 
1976 12 99.99 -99.99  27.10 
1977 01 99.99 -99.99  20.70 
1977 02 99.99 -99.99  20.70 
1977 03 99.99 -99.99  15.30 
1977 04 99.99 -99.99   9.89 
1978 05 99.99 -99.99   8.60 
1978 06 99.99 -99.99   9.70 
1978 07 99.99 -99.99  12.70 
1978 08 99.99 -99.99  20.90 
1978 09 99.99 -99.99  22.00 
1978 10 99.99 -99.99  38.70 
1978 11 99.99 -99.99  28.70 
1978 12 99.99 -99.99  26.50 
1979 01 99.99 -99.99  23.20 
1979 02 99.99 -99.99  20.80 
1979 03 99.99 -99.99  15.50 
1979 04 99.99 -99.99  10.70 
1979 07 99.99 -99.99   6.20 
1979 08 99.99 -99.99  12.30 
1979 09 99.99 -99.99  15.70 
1979 10 99.99 -99.99  19.50 
1979 11 99.99 -99.99  23.00 
1979 12 99.99 -99.99  23.30 
