1963 11 99.99 -99.99  18.79 
1963 12 99.99 -99.99  14.10 
1964 01 99.99 -99.99  17.00 
1964 03 99.99 -99.99  24.10 
1964 04 99.99 -99.99  28.10 
1964 05 99.99 -99.99  29.80 
1964 07 99.99 -99.99  33.20 
1964 08 99.99 -99.99  32.70 
1964 09 99.99 -99.99  31.60 
1964 10 99.99 -99.99  26.60 
1964 11 99.99 -99.99  27.70 
1965 05 99.99 -99.99  26.80 
1965 06 99.99 -99.99  31.30 
1965 07 99.99 -99.99  28.30 
1965 08 99.99 -99.99  29.40 
1965 09 99.99 -99.99  28.70 
1965 10 99.99 -99.99  28.00 
1965 11 99.99 -99.99  19.20 
1965 12 99.99 -99.99  21.10 
1966 01 99.99 -99.99  15.70 
1966 02 99.99 -99.99  18.00 
1966 03 99.99 -99.99  20.70 
1966 04 99.99 -99.99  22.90 
1966 05 99.99 -99.99  26.60 
1966 06 99.99 -99.99  27.70 
1966 07 99.99 -99.99  30.00 
1966 08 99.99 -99.99  32.59 
1966 09 99.99 -99.99  31.60 
1966 10 99.99 -99.99  27.80 
1966 11 99.99 -99.99  27.20 
1966 12 99.99 -99.99  18.50 
1967 01 99.99 -99.99  15.20 
1967 02 99.99 -99.99  20.60 
1967 03 99.99 -99.99  24.80 
1967 04 99.99 -99.99  28.00 
1967 05 99.99 -99.99  32.40 
1967 06 99.99 -99.99  34.90 
1967 07 99.99 -99.99  31.30 
1967 08 99.99 -99.99  29.70 
1967 09 99.99 -99.99  32.50 
1967 10 99.99 -99.99  26.40 
1967 11 99.99 -99.99  21.90 
1967 12 99.99 -99.99  21.10 
