1961 02 99.99 -99.99  22.70 
1961 03 99.99 -99.99  20.70 
1961 04 99.99 -99.99  15.60 
1961 05 99.99 -99.99  15.00 
1961 06 99.99 -99.99  11.30 
1961 07 99.99 -99.99  10.40 
1961 08 99.99 -99.99  12.90 
1961 09 99.99 -99.99  12.80 
1961 10 99.99 -99.99  17.79 
1961 11 99.99 -99.99  19.50 
1961 12 99.99 -99.99  21.80 
1962 01 99.99 -99.99  22.00 
1962 02 99.99 -99.99  21.60 
1962 03 99.99 -99.99  22.20 
1962 04 99.99 -99.99  16.10 
1962 05 99.99 -99.99  12.10 
1962 06 99.99 -99.99  11.40 
1962 07 99.99 -99.99   9.39 
1962 08 99.99 -99.99  11.30 
1962 09 99.99 -99.99  13.70 
1962 10 99.99 -99.99  15.20 
1962 11 99.99 -99.99  19.50 
1962 12 99.99 -99.99  21.60 
1963 02 99.99 -99.99  21.00 
1963 03 99.99 -99.99  20.90 
1963 04 99.99 -99.99  14.50 
1963 05 99.99 -99.99  13.70 
1963 06 99.99 -99.99  11.80 
1963 07 99.99 -99.99  12.00 
1963 08 99.99 -99.99  10.90 
1963 09 99.99 -99.99  13.20 
1963 10 99.99 -99.99  14.90 
1963 11 99.99 -99.99  16.90 
1963 12 99.99 -99.99  21.00 
1964 02 99.99 -99.99  20.10 
1964 03 99.99 -99.99  19.60 
1964 04 99.99 -99.99  16.70 
1964 05 99.99 -99.99  13.70 
1964 06 99.99 -99.99   8.10 
1964 07 99.99 -99.99   9.10 
1964 08 99.99 -99.99  10.70 
1964 09 99.99 -99.99  12.80 
1964 10 99.99 -99.99  13.80 
1964 11 99.99 -99.99  16.70 
1964 12 99.99 -99.99  21.10 
1965 03 99.99 -99.99  17.20 
1965 04 99.99 -99.99  15.10 
1965 05 99.99 -99.99  11.30 
1965 06 99.99 -99.99  12.90 
1965 07 99.99 -99.99  10.90 
1965 08 99.99 -99.99  11.50 
1965 09 99.99 -99.99  11.90 
1965 10 99.99 -99.99  15.60 
1965 11 99.99 -99.99  18.10 
1965 12 99.99 -99.99  20.20 
