1962 09 99.99 -99.99  31.60 
1962 10 99.99 -99.99  25.50 
1962 11 99.99 -99.99  18.50 
1963 01 99.99 -99.99  10.20 
1963 02 99.99 -99.99  10.50 
1963 04 99.99 -99.99  16.90 
1963 05 99.99 -99.99  20.10 
1963 06 99.99 -99.99  30.50 
1963 07 99.99 -99.99  34.90 
1963 08 99.99 -99.99  35.00 
1963 09 99.99 -99.99  31.20 
1963 10 99.99 -99.99  21.10 
1963 11 99.99 -99.99  16.20 
1964 01 99.99 -99.99   2.70 
1964 02 99.99 -99.99   8.10 
1964 03 99.99 -99.99  12.90 
1964 04 99.99 -99.99  16.70 
1964 05 99.99 -99.99  25.00 
1964 06 99.99 -99.99  32.00 
1964 07 99.99 -99.99  35.09 
1964 08 99.99 -99.99  34.09 
1964 09 99.99 -99.99  30.20 
1964 10 99.99 -99.99  24.90 
1964 11 99.99 -99.99  15.70 
1964 12 99.99 -99.99   8.80 
1965 01 99.99 -99.99   6.80 
1965 02 99.99 -99.99   8.60 
1965 03 99.99 -99.99  14.40 
1965 04 99.99 -99.99  14.60 
1965 05 99.99 -99.99  25.50 
1965 06 99.99 -99.99  32.00 
1965 07 99.99 -99.99  35.30 
1965 08 99.99 -99.99  35.70 
1965 09 99.99 -99.99  31.30 
1965 10 99.99 -99.99  19.70 
1965 11 99.99 -99.99  15.40 
1965 12 99.99 -99.99   9.89 
1966 01 99.99 -99.99  10.20 
1966 02 99.99 -99.99  12.00 
1966 03 99.99 -99.99  13.70 
1966 04 99.99 -99.99  19.20 
1966 05 99.99 -99.99  25.60 
1966 06 99.99 -99.99  32.59 
1966 07 99.99 -99.99  35.20 
1966 08 99.99 -99.99  35.90 
1966 09 99.99 -99.99  30.20 
1966 10 99.99 -99.99  23.60 
1966 11 99.99 -99.99  20.80 
1966 12 99.99 -99.99  10.80 
1967 01 99.99 -99.99   7.70 
1967 02 99.99 -99.99   5.70 
1967 03 99.99 -99.99  10.30 
1967 04 99.99 -99.99  15.80 
1967 06 99.99 -99.99  28.50 
1967 07 99.99 -99.99  33.09 
1967 12 99.99 -99.99   6.70 
1968 01 99.99 -99.99   2.90 
1968 02 99.99 -99.99   7.70 
1968 03 99.99 -99.99  11.30 
1968 04 99.99 -99.99  19.10 
1968 06 99.99 -99.99  29.80 
1968 07 99.99 -99.99  33.59 
1968 08 99.99 -99.99  31.90 
1968 09 99.99 -99.99  29.20 
1968 10 99.99 -99.99  23.30 
1968 11 99.99 -99.99  14.90 
1968 12 99.99 -99.99   8.60 
1969 01 99.99 -99.99   6.60 
1969 02 99.99 -99.99   7.30 
1969 03 99.99 -99.99  12.00 
1969 04 99.99 -99.99  14.90 
1969 05 99.99 -99.99  26.20 
1969 06 99.99 -99.99  31.90 
1969 07 99.99 -99.99  33.70 
1969 08 99.99 -99.99  34.70 
1969 09 99.99 -99.99  29.90 
1969 10 99.99 -99.99  22.50 
1969 11 99.99 -99.99  14.00 
1969 12 99.99 -99.99  10.00 
1970 01 99.99 -99.99   8.00 
1970 03 99.99 -99.99  14.10 
1970 05 99.99 -99.99  25.00 
1970 07 99.99 -99.99  34.70 
1970 08 99.99 -99.99  34.00 
1970 09 99.99 -99.99  30.20 
1970 11 99.99 -99.99  16.90 
1970 12 99.99 -99.99   7.30 
1971 01 99.99 -99.99  10.20 
1971 02 99.99 -99.99   7.70 
1971 03 99.99 -99.99  14.30 
1971 04 99.99 -99.99  15.50 
1971 05 99.99 -99.99  27.70 
1971 07 99.99 -99.99  33.70 
1971 08 99.99 -99.99  32.59 
1971 09 99.99 -99.99  31.40 
1971 10 99.99 -99.99  21.90 
1971 11 99.99 -99.99  14.60 
1972 03 99.99 -99.99  11.10 
1972 06 99.99 -99.99  30.00 
1972 07 99.99 -99.99  33.70 
1972 08 99.99 -99.99  34.30 
1972 09 99.99 -99.99  30.50 
1972 10 99.99 -99.99  25.80 
1972 11 99.99 -99.99  15.90 
1972 12 99.99 -99.99   7.20 
1973 04 99.99 -99.99  17.20 
1973 06 99.99 -99.99  30.80 
1973 08 99.99 -99.99  35.59 
1973 09 99.99 -99.99  31.00 
1974 01 99.99 -99.99   6.00 
1974 02 99.99 -99.99   7.70 
1974 05 99.99 -99.99  25.80 
1974 06 99.99 -99.99  32.00 
1974 08 99.99 -99.99  32.40 
1974 11 99.99 -99.99  16.29 
1975 01 99.99 -99.99   7.30 
1975 02 99.99 -99.99   8.00 
1975 04 99.99 -99.99  21.60 
1975 05 99.99 -99.99  25.30 
1975 06 99.99 -99.99  31.80 
