1956 05 99.99  13.91 -99.99 
1956 06 32.08  16.29  24.19 
1956 07 32.36  18.66  25.51 
1956 08 33.25  17.89  25.57 
1956 09 28.37  12.43  20.40 
1956 10 23.65   9.02  16.33 
1956 11 18.12   -.63   8.75 
1956 12 19.94   1.96  10.95 
1957 01 15.00    .51   7.75 
1957 02 19.28   5.05  12.16 
1957 03 17.89   4.69  11.29 
1957 04 26.11   8.71  17.41 
1957 05 28.01  13.28  20.64 
1957 06 30.67  17.35  24.01 
1957 07 31.87  17.11  24.49 
1957 08 31.97  16.17  24.07 
1957 09 29.03  15.47  22.25 
1957 10 21.71   6.26  13.98 
1957 11 18.62   3.08  10.85 
1957 12 15.09  -1.83   6.63 
1958 01  9.97  -5.04   2.46 
1958 02 11.28  -5.47   2.90 
1958 03 16.04   2.67   9.35 
1958 04 24.18   7.76  15.97 
1958 05 27.96  12.45  20.20 
1958 06 31.78  17.35  24.56 
1959 01 12.51  -3.55   4.48 
1959 02 14.50   1.89   8.19 
1959 03 17.34    .95   9.14 
1959 06 32.05  18.68  25.36 
1959 07 32.83  20.43  26.63 
1959 09 28.61  17.77  23.19 
1959 10 22.90  13.62  18.26 
1959 11 18.51   4.52  11.51 
1959 12 14.43   2.92   8.67 
1960 01 12.36   2.85   7.60 
