1957 08 99.99  23.54 -99.99 
1957 09 99.99  22.72 -99.99 
1957 10 99.99  23.98 -99.99 
1957 11 99.99  21.58 -99.99 
1957 12 99.99  19.90 -99.99 
1958 01 99.99  18.87 -99.99 
1958 02 99.99  18.69 -99.99 
1958 03 99.99  22.02 -99.99 
1958 04 99.99  24.88 -99.99 
1958 05 99.99  26.35 -99.99 
1958 06 99.99  25.31 -99.99 
1958 09 99.99  23.41 -99.99 
1958 10 99.99  23.10 -99.99 
1958 11 99.99  21.79 -99.99 
1958 12 99.99  20.00 -99.99 
1961 03 99.99  21.59 -99.99 
1961 10 99.99  22.20 -99.99 
1962 01 99.99  16.32 -99.99 
1962 02 99.99  18.48 -99.99 
1962 03 99.99  21.02 -99.99 
1962 04 99.99  24.75 -99.99 
1962 06 99.99  24.35 -99.99 
1962 07 99.99  23.71 -99.99 
1962 08 99.99  23.54 -99.99 
1962 10 99.99  23.17 -99.99 
1962 11 99.99  20.01 -99.99 
