1956 05  18.69   2.60  10.64 
1956 06  20.76   9.13  14.94 
1956 07  22.39   9.51  15.95 
1956 08  21.58   7.94  14.76 
1956 09  18.10   1.80   9.95 
1956 10   8.53  -3.40   2.56 
1956 11   1.63 -10.65  -4.50 
1956 12 -10.32 -21.16 -15.74 
1957 01 -11.72 -25.43 -18.57 
1957 02 -10.69 -20.68 -15.68 
1957 03   -.78 -14.42  -7.60 
1957 04   8.60  -4.71   1.94 
1957 05  16.83   2.22   9.52 
1957 06  20.83   4.11  12.47 
1957 07  22.38   8.83  15.60 
1957 08  19.87   7.05  13.46 
1957 09  16.37   4.54  10.45 
1957 10   7.61  -4.92   1.34 
1957 11   -.82  -8.26  -4.54 
1957 12  -9.85 -19.87 -14.86 
1958 01  -6.99 -16.45 -11.72 
1958 02 -11.74 -21.54 -16.64 
1958 03  -4.23 -14.57  -9.39 
1958 04   6.42  -1.68   2.37 
1958 05  15.74   2.40   9.07 
1958 06 -99.99   4.26 -99.99 
1958 07  19.36   7.39  13.37 
1958 08  20.20   7.36  13.78 
1958 09 -99.99   1.69 -99.99 
1958 10 -99.99  -3.71 -99.99 
1958 11  -3.12 -15.87  -9.49 
1958 12 -10.14 -20.62 -15.38 
1959 02  -9.00 -24.27 -16.63 
1959 03   2.18 -10.91  -4.36 
1959 04   9.97  -3.76   3.10 
1959 05  14.06  -1.04   6.50 
1959 07  23.60   8.60  16.10 
1959 08  17.56   6.68  12.12 
1959 09  13.53   2.69   8.10 
1959 10   3.91  -3.43   0.24 
1959 11  -4.92 -13.80  -9.36 
1959 12  -3.52 -13.57  -8.54 
1960 01 -16.14 -26.79 -21.46 
1960 02 -10.22 -19.26 -14.74 
1960 03  -6.05 -18.95 -12.50 
1960 04   8.52  -3.23   2.64 
1960 05  14.79   2.65   8.72 
1960 06  18.16   6.60  12.38 
1960 07  23.91   9.47  16.69 
1960 09  16.70   2.92   9.81 
1960 10   8.77  -2.34   3.21 
1960 11  -3.86 -13.89  -8.87 
1960 12 -99.99 -16.76 -99.99 
1961 01  -8.96 -99.99 -99.99 
1961 02  -6.76 -99.99 -99.99 
1961 03   -.61 -14.20  -7.40 
1961 04   5.19  -6.75   -.78 
1961 05  17.87   1.97   9.92 
1961 06  24.32   8.35  16.34 
1961 08  25.48   7.77  16.62 
1961 09  13.28  -1.60   5.83 
1961 10   8.31  -3.30   2.50 
1961 11  -3.73 -14.08  -8.90 
1961 12 -16.77 -28.28 -22.52 
1962 01  -9.58 -23.22 -16.40 
1962 02 -13.55 -27.02 -20.28 
1962 04   6.93  -5.45   0.74 
1962 05  16.24 -99.99 -99.99 
1962 07  21.41   8.91  15.16 
1962 08  21.51   8.37  14.94 
1962 09  16.90   2.79   9.84 
1962 10  12.12   -.75   5.68 
1962 11   0.49  -8.59  -4.05 
1962 12  -8.49 -20.07 -14.28 
1963 01 -15.87 -27.85 -21.86 
1963 02  -9.53 -20.52 -15.02 
1963 04   9.47  -4.66   2.40 
1963 05  16.17   0.61   8.39 
1963 06  21.16   7.44  14.30 
1963 08  23.51   7.96  15.73 
1963 09  18.78   6.32  12.55 
1963 10  14.87 -99.99 -99.99 
1963 11  -2.08 -13.00  -7.54 
1963 12 -10.78 -21.57 -16.17 
1964 02  -1.48 -15.21  -8.34 
1964 03  -8.08 -24.25 -16.16 
1964 04   7.72  -4.04   1.83 
1964 05  17.62   3.97  10.79 
1964 09  12.93   0.62   6.77 
1964 10  12.67  -3.01   4.83 
1964 11  -1.87 -13.60  -7.73 
1964 12 -18.64 -28.06 -23.34 
1965 01 -18.24 -28.95 -23.59 
1965 02 -15.84 -27.50 -21.67 
1965 03  -4.46 -22.64 -13.54 
1965 04   8.89  -4.12   2.38 
1965 05  15.38   1.62   8.50 
1965 06  18.84   7.01  12.92 
1965 07  25.60  10.75  18.17 
1965 08  22.40   8.56  15.48 
1965 09  10.32   -.66   4.83 
1965 10  12.64  -1.97   5.33 
1965 11  -5.92 -15.27 -10.59 
1965 12  -7.42 -20.90 -14.16 
1966 01 -22.22 -99.99 -99.99 
1966 02  -9.63 -25.15 -17.39 
1966 03  -1.46 -13.66  -7.56 
1966 04   5.26  -4.90   0.18 
1966 05  19.18   2.71  10.94 
1966 06  19.48   6.51  12.99 
1966 07  22.70  10.10  16.40 
1966 08  20.86   8.07  14.46 
1966 09  19.54   4.13  11.84 
1966 10   8.28  -3.67   2.30 
1966 11  -8.08 -20.33 -14.20 
1966 12  -9.43 -19.12 -14.28 
1967 01 -13.86 -26.79 -20.32 
1967 02  -9.95 -26.12 -18.03 
1967 03  -6.23 -21.72 -13.97 
1967 04   5.08  -8.04  -1.48 
1967 05  16.84   0.77   8.80 
1967 06  19.84   5.78  12.81 
1967 07  23.09   9.21  16.15 
1967 08  24.64   7.92  16.27 
1968 01 -14.43 -27.86 -21.14 
1968 02  -5.88 -18.98 -12.43 
1968 03   3.60  -6.65  -1.52 
1968 04  11.21  -5.11   3.05 
1968 05  18.27   1.53   9.90 
1968 07  24.41   8.04  16.22 
1968 08  21.20   7.85  14.52 
1968 09  16.29   4.35  10.32 
1968 10   9.04  -2.20   3.42 
1968 11   0.90 -10.26  -4.68 
