1956 03  -4.30 -13.69  -8.99 
1956 04   5.98  -4.96   0.51 
1956 05  18.87   4.30  11.58 
1956 06  22.15   8.47  15.31 
1956 07  23.57  11.20  17.38 
1956 08  23.10   9.55  16.32 
1956 09  18.85   3.33  11.09 
1956 10  11.16  -2.05   4.55 
1956 11   5.48  -6.04   -.27 
1956 12  -7.55 -17.40 -12.47 
1957 01 -13.45 -23.02 -18.23 
1957 02  -7.24 -18.79 -13.01 
1957 03  -0.01 -10.65  -5.33 
1957 04  10.69  -3.03   3.83 
1957 05  20.42   4.98  12.70 
1957 06  21.54   8.01  14.77 
1957 07  27.36  11.38  19.37 
1957 08  21.90   9.50  15.70 
1957 09  19.60   4.88  12.24 
1957 10   7.99  -3.70   2.14 
1957 12  -1.93 -10.84  -6.38 
1958 01  -2.79 -11.72  -7.25 
1958 02 -10.26 -19.45 -14.85 
1958 03  -3.63 -10.92  -7.27 
1958 05  21.15   5.40  13.27 
1958 06  21.31   6.40  13.85 
1958 07  24.71   9.97  17.34 
1958 08  27.08  10.62  18.85 
1958 09  17.50   3.63  10.56 
1958 10  14.58   -.29   7.14 
1958 11   -.33 -10.35  -5.34 
1958 12  -6.44 -16.29 -11.36 
1959 01 -14.24 -22.72 -18.48 
1959 02  -7.86 -17.92 -12.89 
1959 03   7.17  -3.91   1.63 
1959 04  11.37  -2.82   4.27 
1959 05  15.44   0.62   8.03 
1959 06  22.30   8.53  15.41 
1959 07  26.76  11.42  19.09 
1959 08  22.65   7.75  15.20 
1959 09  15.91   3.02   9.46 
1959 11  -1.59 -10.34  -5.96 
1959 12   1.23  -7.69  -3.23 
1960 02  -6.97 -16.04 -11.50 
1960 03  -3.79 -13.97  -8.88 
1960 04  10.66  -2.56   4.05 
1960 05  16.54   1.89   9.21 
1960 06  21.23   5.98  13.60 
1960 07  28.43  12.62  20.52 
1960 08  24.68   9.60  17.14 
1960 09  19.52   4.19  11.86 
1960 10  12.76   -.92   5.92 
1960 11  -1.93 -11.48  -6.70 
1960 12  -4.61 -13.46  -9.03 
1961 01  -4.82 -14.01  -9.41 
1961 02  -4.17 -16.34 -10.25 
1961 03   2.29  -7.12  -2.41 
1961 04   8.68  -4.42   2.12 
1961 05  17.91   4.30  11.10 
1961 07  25.65 -99.99 -99.99 
1961 08  29.45  11.11  20.28 
1961 09  15.63   0.27   7.95 
1961 10   9.37  -1.79   3.79 
1961 11  -2.13 -11.58  -6.85 
