1957 12   0.90  -3.35  -1.22 
1958 01   0.97  -2.75   -.89 
1958 02   3.58  -1.14   1.22 
1958 03   7.71  -2.51   2.60 
1958 04  12.98   0.09   6.53 
1958 05  25.29   5.77  15.53 
1958 06  25.59   9.66  17.62 
1958 07  29.93  10.14  20.03 
1958 08  29.76   9.49  19.62 
1958 09  20.21   6.49  13.35 
1958 10  13.09   1.17   7.13 
1958 11   2.08  -3.82   -.86 
1958 12   -.28  -4.65  -2.46 
1959 01  -1.25  -6.92  -4.08 
1959 02   0.60  -7.76  -3.58 
1959 03   6.05  -2.47   1.79 
1959 04  12.85  -1.52   5.66 
1959 05  16.70   3.10   9.90 
1959 06  21.15   7.35  14.25 
1959 07  27.59   9.08  18.33 
1959 08  22.88   8.13  15.50 
1959 09  17.21   6.61  11.91 
1959 10   9.96   2.06   6.01 
1959 11   0.67  -4.37  -1.84 
1959 12  -0.03  -4.66  -2.34 
1960 01  -4.10  -9.83  -6.96 
1960 02   1.61  -6.69  -2.54 
1960 03   7.75  -5.40   1.17 
1960 04  13.52   -.66   6.43 
1960 05  15.57   3.42   9.49 
1960 06  22.11   7.70  14.90 
1960 07  31.40  10.34  20.87 
1960 08  23.58   9.55  16.56 
1960 09  19.50   4.69  12.09 
1960 11   3.39  -2.00   0.69 
1960 12   -.92  -4.75  -2.83 
1961 01   0.11  -5.07  -2.48 
1961 02   2.77  -2.13   0.31 
1961 03   7.94  -2.40   2.77 
1961 04  11.68   0.17   5.92 
1961 05  19.65   5.38  12.51 
1961 06  27.32   8.92  18.11 
1961 07  28.65  10.68  19.66 
1961 08  29.70  10.29  19.99 
1961 09  18.07   4.17  11.12 
1961 10   9.64   1.25   5.45 
1961 11   1.50  -4.94  -1.72 
1962 02   1.45  -6.90  -2.72 
1962 03   7.10  -4.59   1.25 
1962 04  14.60  -0.06   7.27 
1962 05  16.79   4.16  10.48 
1962 06  22.37   7.20  14.78 
1962 07  25.60   8.79  17.19 
1962 08  22.53   9.43  15.98 
1962 09  21.78   5.24  13.51 
1962 10  12.89   3.31   8.10 
1962 11   5.10   0.00   2.55 
1962 12   1.69  -2.27   -.28 
1963 01  -6.04 -12.77  -9.40 
1963 02   4.60  -3.58   0.51 
1963 03   7.47  -2.05   2.71 
1963 04  13.63   1.05   7.34 
1963 05  19.89   3.21  11.54 
1963 06  22.37   7.96  15.16 
1963 07  24.03   9.91  16.97 
1963 08  27.10  10.97  19.03 
1963 09  24.45 -99.99 -99.99 
1963 11   3.55  -1.56   0.99 
1963 12   -.81  -5.26  -3.03 
1964 01   -.36  -4.46  -2.41 
1964 02   3.12  -6.07  -1.47 
1964 03   4.85  -4.14   0.35 
1964 04  10.94  -1.30   4.81 
