1962 06 99.99 -99.99  32.70 
1962 07 99.99 -99.99  32.00 
1962 08 99.99 -99.99  31.10 
1962 09 99.99 -99.99  27.40 
1962 10 99.99 -99.99  22.20 
1962 11 99.99 -99.99  16.29 
1962 12 99.99 -99.99  11.40 
1963 03 99.99 -99.99  18.10 
1963 04 99.99 -99.99  23.40 
1963 05 99.99 -99.99  27.50 
1963 06 99.99 -99.99  34.09 
1963 07 99.99 -99.99  33.30 
1963 08 99.99 -99.99  31.70 
1963 09 99.99 -99.99  28.90 
1963 10 99.99 -99.99  25.10 
1963 11 99.99 -99.99  18.50 
1963 12 99.99 -99.99  13.60 
1964 04 99.99 -99.99  24.60 
1964 05 99.99 -99.99  29.50 
1964 06 99.99 -99.99  31.60 
1964 07 99.99 -99.99  30.00 
1964 08 99.99 -99.99  30.50 
1964 09 99.99 -99.99  28.00 
1964 10 99.99 -99.99  22.10 
1964 11 99.99 -99.99  15.90 
1965 01 99.99 -99.99  11.90 
1965 02 99.99 -99.99  13.10 
1965 03 99.99 -99.99  18.70 
1965 04 99.99 -99.99  20.00 
1965 05 99.99 -99.99  27.90 
1965 07 99.99 -99.99  31.50 
1965 08 99.99 -99.99  30.60 
1965 09 99.99 -99.99  29.90 
1965 10 99.99 -99.99  27.40 
1965 11 99.99 -99.99  19.90 
1965 12 99.99 -99.99  12.30 
1966 01 99.99 -99.99  14.10 
1966 02 99.99 -99.99  16.10 
1966 03 99.99 -99.99  19.60 
1966 06 99.99 -99.99  32.30 
1966 11 99.99 -99.99  17.10 
1966 12 99.99 -99.99  12.10 
1967 01 99.99 -99.99   9.60 
1967 02 99.99 -99.99  15.10 
1967 03 99.99 -99.99  17.10 
1967 04 99.99 -99.99  22.60 
1967 05 99.99 -99.99  27.80 
1967 06 99.99 -99.99  32.30 
1967 07 99.99 -99.99  31.30 
1967 08 99.99 -99.99  29.90 
1967 09 99.99 -99.99  28.90 
1967 10 99.99 -99.99  23.20 
1967 11 99.99 -99.99  17.90 
1967 12 99.99 -99.99  11.00 
1968 01 99.99 -99.99   9.30 
1968 02 99.99 -99.99   9.50 
1970 01 99.99 -99.99  10.90 
1970 02 99.99 -99.99  14.10 
1970 03 99.99 -99.99  16.70 
1970 04 99.99 -99.99  26.40 
1970 05 99.99 -99.99  31.20 
1970 06 99.99 -99.99  33.09 
1970 07 99.99 -99.99  32.20 
1970 09 99.99 -99.99  28.30 
1970 10 99.99 -99.99  24.70 
1970 11 99.99 -99.99  17.90 
1970 12 99.99 -99.99  13.40 
1971 01 99.99 -99.99  10.40 
1971 02 99.99 -99.99  14.00 
1971 03 99.99 -99.99  19.79 
1971 04 99.99 -99.99  27.60 
1971 05 99.99 -99.99  30.60 
1971 06 99.99 -99.99  33.30 
1971 07 99.99 -99.99  31.60 
1971 08 99.99 -99.99  31.00 
1971 09 99.99 -99.99  27.80 
1971 10 99.99 -99.99  23.20 
1971 11 99.99 -99.99  18.70 
1971 12 99.99 -99.99  14.10 
1972 01 99.99 -99.99  11.10 
1972 02 99.99 -99.99   8.89 
1972 03 99.99 -99.99  18.40 
1972 04 99.99 -99.99  23.80 
1972 05 99.99 -99.99  29.30 
