1956 11 24.91   9.01  16.95 
1956 12 22.26   9.24  15.75 
1957 01 21.43   9.59  15.51 
1957 02 22.70  12.77  17.73 
1957 03 21.64  11.09  16.36 
1957 04 24.94  15.83  20.38 
1957 05 29.90  20.36  25.13 
1957 06 32.00  22.62  27.31 
1957 07 35.93  24.15  30.04 
1957 08 35.61  23.43  29.52 
1957 09 30.29  19.96  25.13 
1957 10 25.54  13.54  19.54 
1957 11 21.76  10.88  16.32 
1957 12 20.16   8.67  14.41 
1958 01 16.51   5.06  10.78 
1958 02 14.88   5.10   9.99 
1958 03 20.34   8.56  14.45 
1958 04 26.78  14.40  20.59 
1958 05 31.04  19.07  25.05 
1958 06 34.66  23.49  29.07 
1958 07 35.12  23.73  29.42 
1958 08 34.66  23.22  28.94 
1958 09 30.78  21.68  26.23 
1958 10 25.66  15.89  20.77 
1958 11 22.41  11.95  17.18 
1958 12 17.33   5.52  11.42 
1959 01 15.73   3.96   9.84 
1959 02 16.92   8.08  12.50 
1959 03 21.61 -99.99 -99.99 
1959 04 24.52  14.09  19.30 
1959 05 30.38  20.01  25.19 
1959 06 33.00  22.67  27.83 
1959 07 32.72  23.22  27.97 
1959 09 31.71  22.21  26.96 
1959 10 27.73  16.49  22.11 
