1963 03 99.99 -99.99  17.10 
1963 04 99.99 -99.99  24.20 
1963 06 99.99 -99.99  36.30 
1963 07 99.99 -99.99  38.40 
1963 08 99.99 -99.99  38.90 
1963 09 99.99 -99.99  35.70 
1963 11 99.99 -99.99  19.90 
1964 01 99.99 -99.99   7.40 
1964 04 99.99 -99.99  23.90 
1964 05 99.99 -99.99  30.20 
1964 06 99.99 -99.99  36.00 
1964 07 99.99 -99.99  38.40 
1964 09 99.99 -99.99  34.00 
1964 10 99.99 -99.99  27.00 
1964 11 99.99 -99.99  19.40 
1964 12 99.99 -99.99  12.00 
1965 01 99.99 -99.99  10.90 
1965 02 99.99 -99.99  13.50 
1965 03 99.99 -99.99  20.20 
1965 04 99.99 -99.99  22.90 
1965 06 99.99 -99.99  36.09 
1965 07 99.99 -99.99  37.90 
1965 08 99.99 -99.99  39.40 
1965 09 99.99 -99.99  34.30 
1965 10 99.99 -99.99  24.00 
1965 11 99.99 -99.99  18.50 
1965 12 99.99 -99.99  13.70 
1966 01 99.99 -99.99  13.60 
1966 02 99.99 -99.99  15.60 
1966 03 99.99 -99.99  18.10 
1966 04 99.99 -99.99  25.50 
1966 05 99.99 -99.99  31.10 
1966 06 99.99 -99.99  36.40 
1966 07 99.99 -99.99  37.40 
1966 08 99.99 -99.99  38.50 
1966 09 99.99 -99.99  33.70 
1966 10 99.99 -99.99  25.80 
1966 11 99.99 -99.99  21.10 
1966 12 99.99 -99.99  14.00 
1967 01 99.99 -99.99  10.50 
1967 02 99.99 -99.99  10.70 
1967 03 99.99 -99.99  16.50 
1967 04 99.99 -99.99  22.80 
1967 06 99.99 -99.99  33.09 
1967 08 99.99 -99.99  36.30 
1967 09 99.99 -99.99  33.00 
1967 11 99.99 -99.99  17.60 
1968 01 99.99 -99.99   9.10 
1968 02 99.99 -99.99  12.10 
1968 03 99.99 -99.99  17.90 
1968 04 99.99 -99.99  23.30 
1968 05 99.99 -99.99  30.10 
1968 06 99.99 -99.99  33.90 
1968 07 99.99 -99.99  38.70 
1968 08 99.99 -99.99  35.50 
1968 10 99.99 -99.99  27.90 
1968 11 99.99 -99.99  19.50 
1968 12 99.99 -99.99  14.60 
1969 01 99.99 -99.99  11.80 
1969 02 99.99 -99.99  14.50 
1969 03 99.99 -99.99  22.00 
1969 04 99.99 -99.99  22.80 
1969 05 99.99 -99.99  31.10 
1969 06 99.99 -99.99  36.40 
1969 07 99.99 -99.99  35.30 
1969 08 99.99 -99.99  38.00 
1969 09 99.99 -99.99  34.70 
1969 10 99.99 -99.99  27.90 
1969 11 99.99 -99.99  17.29 
1969 12 99.99 -99.99  13.90 
1970 02 99.99 -99.99  15.20 
1970 04 99.99 -99.99  26.80 
1970 06 99.99 -99.99  35.59 
1970 07 99.99 -99.99  36.70 
1971 05 99.99 -99.99  30.20 
1974 11 99.99 -99.99  17.60 
1975 05 99.99 -99.99  31.80 
1975 06 99.99 -99.99  36.09 
