1957 10   5.90  -3.25   1.32 
1957 11  -9.41 -18.37 -13.89 
1957 12 -18.84 -28.87 -23.85 
1958 01 -17.34 -27.75 -22.54 
1958 02 -20.29 -32.96 -26.63 
1958 03  -6.71 -20.74 -13.72 
1958 04   -.87 -11.50  -6.18 
1958 05   7.89  -3.83   2.03 
1958 06  13.05   1.52   7.28 
1958 07  20.36   6.35  13.35 
1958 08  16.20   6.58  11.39 
1958 09  11.13   2.61   6.87 
1958 10   4.53  -1.78   1.37 
1958 11  -8.20 -16.57 -12.38 
1958 12 -20.68 -29.92 -25.30 
1959 01 -24.52 -34.05 -29.28 
1959 02 -17.96 -29.19 -23.58 
1959 03 -10.05 -24.14 -17.09 
1959 04  -2.73 -18.25 -10.49 
1959 05   4.96  -3.30   0.83 
1959 06  15.00   3.16   9.08 
1959 07  23.30   8.55  15.92 
1959 08  17.74   6.29  12.01 
1959 09  11.84   3.31   7.57 
1959 10   -.28  -6.62  -3.45 
1959 11 -11.34 -20.93 -16.13 
1959 12 -11.72 -21.87 -16.79 
1960 01 -20.34 -31.08 -25.71 
1960 02 -15.04 -30.97 -23.00 
1960 03 -13.48 -27.49 -20.48 
1960 04  -2.33 -14.72  -8.52 
1960 05  10.05  -2.55   3.75 
1960 06  18.04   4.10  11.07 
1960 07  21.93   8.17  15.05 
1960 08  20.58   8.07  14.32 
1960 09  11.87   2.61   7.24 
1960 10   2.65  -4.25   -.79 
1960 11 -10.07 -20.00 -15.03 
1960 12 -18.04 -25.90 -21.97 
1961 01 -22.22 -33.30 -27.75 
1961 02 -15.00 -29.40 -22.20 
1961 03 -10.48 -23.46 -16.96 
1961 04  -2.33 -15.34  -8.84 
1961 05  10.33  -3.37   3.48 
1961 06  18.20   3.55  10.87 
1961 07  20.82   7.70  14.26 
1961 08  20.34   6.64  13.49 
1961 09  10.24   0.44   5.33 
1961 10   1.82  -7.12  -2.65 
1961 11  -5.46 -15.24 -10.35 
1961 12 -17.08 -28.86 -22.97 
1962 01 -24.36 -35.33 -29.84 
1962 02 -22.66 -38.12 -30.39 
1962 03  -7.82 -22.83 -15.32 
1962 04  -3.18 -16.67  -9.92 
1962 05   6.44  -5.69   0.37 
1962 06  19.85   4.40  12.12 
1962 07  20.08   7.62  13.85 
1962 08  19.03   6.04  12.53 
1962 09  12.34   1.89   7.11 
1962 10   5.59  -2.70   1.44 
1962 11  -7.05 -17.53 -12.29 
1962 12 -20.02 -29.32 -24.67 
1963 01 -25.73 -35.77 -30.75 
1963 02 -19.54 -32.32 -25.93 
1963 03 -14.68 -31.67 -23.17 
1963 04   0.58 -13.25  -6.33 
1963 05   7.03  -6.77   0.13 
1963 06  19.37   4.42  11.90 
1963 07  22.62   7.87  15.24 
1963 08  20.81   5.40  13.10 
1963 09  10.78   1.61   6.19 
1963 10  10.86  -1.04   4.91 
1963 11  -7.03 -15.86 -11.44 
1963 12 -18.24 -27.87 -23.05 
