1962 07 99.99 -99.99  32.90 
1962 08 99.99 -99.99  30.40 
1962 09 99.99 -99.99  27.40 
1962 10 99.99 -99.99  24.20 
1962 11 99.99 -99.99  18.10 
1964 01 99.99 -99.99   9.70 
1964 02 99.99 -99.99  13.70 
1964 03 99.99 -99.99  21.50 
1964 04 99.99 -99.99  26.00 
1964 05 99.99 -99.99  29.30 
1964 06 99.99 -99.99  33.09 
1964 07 99.99 -99.99  31.70 
1964 08 99.99 -99.99  31.10 
1964 09 99.99 -99.99  29.40 
1964 10 99.99 -99.99  24.60 
1964 11 99.99 -99.99  17.10 
1964 12 99.99 -99.99  12.60 
1965 01 99.99 -99.99  13.20 
1965 03 99.99 -99.99  19.10 
1965 06 99.99 -99.99  33.40 
1965 10 99.99 -99.99  25.80 
1965 11 99.99 -99.99  19.70 
1965 12 99.99 -99.99  12.70 
1966 01 99.99 -99.99  13.30 
1966 02 99.99 -99.99  17.29 
1966 03 99.99 -99.99  20.20 
1966 04 99.99 -99.99  24.80 
1966 11 99.99 -99.99  17.60 
1966 12 99.99 -99.99  12.70 
1968 01 99.99 -99.99  11.10 
1968 05 99.99 -99.99  28.80 
1968 07 99.99 -99.99  30.70 
1968 09 99.99 -99.99  29.80 
1968 10 99.99 -99.99  24.40 
1968 11 99.99 -99.99  18.79 
1968 12 99.99 -99.99  13.70 
1969 02 99.99 -99.99  15.10 
1969 03 99.99 -99.99  22.90 
1969 08 99.99 -99.99  31.10 
1970 02 99.99 -99.99  15.60 
1970 03 99.99 -99.99  21.40 
1970 04 99.99 -99.99  28.70 
1970 05 99.99 -99.99  33.20 
1970 06 99.99 -99.99  33.20 
