1956 09  18.14   3.56  10.85 
1956 10  11.43  -2.42   4.50 
1956 11   5.38  -7.89  -1.25 
1956 12  -8.68 -19.59 -14.13 
1957 01 -13.17 -21.53 -17.35 
1957 10   4.96  -6.78   -.90 
1957 11  -1.98 -10.37  -6.17 
1957 12  -7.82 -16.86 -12.34 
1958 01  -8.30 -16.99 -12.64 
1958 02 -12.24 -23.39 -17.81 
1958 03  -4.37 -14.51  -9.44 
1958 04   7.55  -3.78   1.88 
1958 05  17.84   2.13   9.98 
1958 06  17.89   3.73  10.81 
1958 07  21.34   7.93  14.63 
1958 08  22.65   8.18  15.42 
1958 09  14.08   1.70   7.89 
1958 10   9.50  -4.77   2.36 
1958 11  -5.22 -15.87 -10.54 
1958 12  -7.54 -17.70 -12.62 
1959 02 -11.42 -24.52 -17.97 
1959 03   0.30  -9.91  -4.80 
1959 05  13.39   -.95   6.22 
1959 06  18.33   5.53  11.93 
1959 07  23.20   8.45  15.82 
1959 08  17.95   5.17  11.56 
1959 09  12.11   0.51   6.31 
1959 10   2.81  -6.37  -1.78 
1959 11  -5.39 -15.55 -10.47 
1959 12  -2.77 -13.03  -7.89 
1960 01 -11.74 -22.96 -17.34 
1960 02  -9.39 -19.75 -14.57 
1960 03  -3.76 -15.83  -9.79 
1960 04  10.85  -3.04   3.90 
1960 05  16.27   2.72   9.49 
1960 06  20.59   7.34  13.96 
1960 07  27.18  12.37  19.77 
1960 08  23.35  10.12  16.73 
1960 09  18.85   3.83  11.34 
1960 10  11.83  -2.66   4.58 
1960 11  -1.55 -12.82  -7.18 
1960 12  -5.85 -99.99 -99.99 
1961 01  -7.33 -19.61 -13.47 
1961 02  -5.94 -18.50 -12.22 
1961 03   0.25 -99.99 -99.99 
1962 07 -99.99   9.37 -99.99 
1962 08  23.40 -99.99 -99.99 
1962 09  18.98 -99.99 -99.99 
1962 10  13.99   -.29   6.85 
1962 11   3.62  -5.82  -1.10 
1962 12  -5.40 -14.92 -10.16 
1963 01 -13.15 -24.89 -19.02 
1963 02  -5.51 -16.45 -10.98 
1963 03  -0.05 -10.46  -5.25 
1963 05  16.29   3.17   9.73 
1963 06  21.60   9.72  15.66 
1963 07  24.93  11.72  18.32 
1963 08  24.32  11.09  17.70 
1963 09  21.46   7.27  14.36 
1963 10  16.37   0.63   8.50 
1963 11  -1.20 -12.90  -7.05 
1963 12  -8.26 -17.91 -13.08 
1964 01  -8.58 -18.79 -13.68 
1964 02  -1.51 -13.82  -7.66 
1964 03  -4.60 -19.27 -11.93 
1964 04  10.85  -1.89   4.48 
1964 05  18.42   5.04  11.73 
1964 06  21.59   7.32  14.45 
1964 07  26.52  11.80  19.16 
1964 09  13.51   3.02   8.26 
1964 10  12.76   -.72   6.02 
1965 12 -99.99 -17.19 -99.99 
1966 02 -11.12 -21.81 -16.46 
1966 03   -.67 -11.86  -6.26 
1966 04   7.06  -4.04   1.51 
1966 05  19.84   4.30  12.07 
1966 06  19.08   8.22  13.65 
1966 07  23.06  11.61  17.33 
1966 08  22.32  10.08  16.20 
1966 09  20.69   6.68  13.68 
1966 10  10.88 -99.99 -99.99 
