1955 11   5.47  -5.56  -0.04 
1955 12   2.95  -6.72  -1.88 
1956 01   2.34  -7.10  -2.37 
1956 02   2.14  -8.89  -3.37 
1956 03   8.55  -5.72   1.41 
1956 04  14.17  -2.14   6.01 
1956 05  17.33   1.71   9.52 
1956 06  21.88   3.05  12.46 
1956 07  28.51   6.09  17.29 
1956 08  27.09   4.29  15.69 
1956 09  24.08   1.49  12.78 
1956 10  14.71  -1.16   6.77 
1956 11  10.21  -4.33   2.94 
1956 12   6.86  -5.82   0.52 
1957 01  -1.38 -13.65  -7.51 
1957 02   5.70  -4.92   0.38 
1957 03   7.77  -2.65   2.56 
1957 04  12.98  -1.70   5.64 
1957 05  17.37   2.48   9.92 
1957 06  23.75   3.86  13.80 
1957 07  27.75   4.84  16.29 
1957 08  26.39   2.32  14.35 
1957 09  25.35   3.29  14.32 
1957 10  12.18   0.01   6.09 
1957 11   7.19  -6.13   0.52 
1957 12   5.59  -4.63   0.48 
1958 01   3.31  -5.28   -.98 
1958 02   6.70   -.88   2.91 
1958 03   6.29  -4.92   0.68 
1958 04  11.36  -2.25   4.55 
1958 05  22.56   1.56  12.06 
1958 06  22.40   4.94  13.67 
1958 07  27.97   5.49  16.73 
1958 08  29.75   5.50  17.62 
1958 09  22.80   0.88  11.83 
1958 10  19.99   -.69   9.64 
1958 11   9.38  -4.86   2.26 
1958 12   8.05  -4.21   1.92 
1959 01   4.66  -5.48   -.41 
1959 02   5.40  -7.12   -.85 
1959 03   9.62  -5.15   2.23 
1959 04  16.54  -3.45   6.54 
1959 05  15.70  -1.01   7.34 
1959 06  24.75   3.23  13.99 
1959 07  31.20   5.69  18.44 
1959 08 -99.99   2.61 -99.99 
1959 09  19.39   3.13  11.26 
1959 10  16.16  -0.07   8.04 
1959 11  12.27  -5.84   3.21 
1959 12   4.89  -7.68  -1.39 
1960 01   0.86 -99.99 -99.99 
1960 02   3.09 -99.99 -99.99 
1960 03  10.53  -3.22   3.65 
1960 04  13.68  -2.22   5.73 
1960 05  15.66   -.38   7.64 
1960 06  25.76   0.65  13.20 
1960 07  31.53   5.88  18.70 
1960 08  26.58   2.67  14.62 
1960 09  25.59   0.60  13.09 
1960 10  17.02  -1.92   7.55 
1960 11   7.40  -5.00   1.20 
1960 12   3.98 -99.99 -99.99 
1961 01   5.68  -6.13   -.22 
1961 02   7.09  -3.68   1.70 
1961 03   8.42  -3.71   2.35 
1961 04  13.81  -4.14   4.83 
1961 05  17.44   -.65   8.39 
1961 06  27.59   3.70  15.64 
1961 07  30.46   4.54  17.50 
1961 08  29.89   5.90  17.89 
1961 09  19.85   -.48   9.68 
1961 10  16.21   -.49   7.86 
