1951 12  -4.80 -14.33  -9.56 
1952 01  -2.79 -12.23  -7.51 
1952 02   3.98  -6.15  -1.08 
1952 03   8.67  -5.15   1.76 
1952 11   3.44  -7.78  -2.17 
1952 12   0.05  -5.57  -2.76 
1953 01   4.01  -3.37   0.32 
1953 02   5.74  -5.45   0.14 
1953 03  11.01  -3.24   3.88 
1953 04  13.55  -1.15   6.20 
1953 05  22.33   2.69  12.51 
1953 06  23.15   7.48  15.31 
1953 07  33.11   7.86  20.48 
1953 08  31.67   9.78  20.72 
1953 09  25.32   4.02  14.67 
1953 10  16.65  -3.01   6.82 
1953 11   5.72  -2.60   1.56 
1953 12   3.05  -3.78   -.36 
1954 01  -4.61 -13.37  -8.99 
1954 02   4.25  -4.65   -.20 
1954 03   5.81  -8.16  -1.17 
1954 04  11.78  -1.59   5.09 
1954 05  21.06   1.77  11.41 
1954 06  20.97   4.46  12.71 
1954 07  27.93   6.93  17.43 
1954 08  24.54   6.52  15.53 
1954 09  20.01   3.96  11.98 
1954 10  12.65  -2.46   5.09 
1954 11   8.14   -.16   3.99 
1954 12   0.23  -6.53  -3.15 
1955 01   -.21  -7.25  -3.73 
1955 02   0.24 -10.50  -5.13 
1955 03   3.46  -8.26  -2.40 
1955 04  11.02  -1.85   4.58 
1955 05  17.37   1.46   9.41 
1955 06  26.43   6.16  16.29 
1955 07  28.17  10.04  19.10 
1955 08  31.21   4.71  17.95 
1955 09  23.22   2.79  13.00 
1955 10  13.53   1.07   7.30 
1955 11   -.49  -9.17  -4.83 
1955 12  -2.15 -10.88  -6.51 
1956 01  -1.01  -8.80  -4.90 
1956 02   0.18 -11.61  -5.71 
1956 03   7.94  -4.16   1.89 
1956 04  17.52   -.29   8.61 
1956 05  22.54   4.14  13.34 
1956 06  24.08   6.85  15.46 
1956 07  30.00   9.43  19.71 
1956 08  28.82   8.14  18.48 
1956 09  23.73   3.09  13.41 
1956 10  11.85   0.29   6.07 
1956 11   1.26  -5.54  -2.13 
1956 12   0.51  -6.65  -3.07 
1957 01  -8.55 -18.62 -13.59 
1957 02   0.95 -10.63  -4.84 
1957 03   7.42  -4.69   1.36 
1957 04  14.26  -0.08   7.09 
1957 05  23.67   5.39  14.53 
1957 06  25.05   9.14  17.09 
1957 07  29.58   8.89  19.24 
1957 08  26.90   6.51  16.70 
1957 09  25.33   3.35  14.34 
1957 10  10.26   -.30   4.98 
1957 11   5.67  -4.61   0.52 
1957 12   2.96  -4.55   -.79 
1958 01   2.02  -4.62  -1.30 
1958 02   5.58  -3.58   1.00 
1958 03   9.25  -4.03   2.61 
1958 04  13.93   0.02   6.97 
1958 05  26.89   5.91  16.40 
1958 06  27.04   8.56  17.80 
1958 07  29.99   9.47  19.73 
1958 08  33.18  10.21  21.69 
1958 09  23.22   4.65  13.93 
1958 10  15.78  -1.01   7.38 
1958 11   3.25  -6.13  -1.44 
1958 12   1.28  -6.70  -2.71 
1959 01   0.00  -8.22  -4.11 
1959 02   0.98 -10.75  -4.88 
1959 03   9.14  -2.51   3.31 
1959 04  16.00   -.52   7.73 
1959 05  18.45   2.11  10.28 
1959 06  25.07   7.34  16.20 
1959 07  31.49   8.01  19.75 
1959 08  26.12   7.29  16.70 
1959 09  19.00   5.51  12.25 
1959 10  12.64   0.85   6.74 
1959 11   1.39  -9.10  -3.86 
1959 12   1.10  -6.65  -2.77 
1960 01  -4.38 -14.66  -9.52 
1960 02   2.10  -9.08  -3.48 
1960 03   8.50  -5.76   1.36 
1960 04  14.70   -.62   7.04 
1960 05  18.43   3.12  10.77 
