1957 01 -10.45 -20.54 -15.49 
1957 02  -4.17 -18.75 -11.46 
1957 03   1.10 -10.07  -4.48 
1957 04  10.45  -2.46   3.99 
1957 05  17.95   3.61  10.78 
1957 06  19.12   6.54  12.83 
1957 07  23.04   7.42  15.23 
1957 09  19.42   4.48  11.95 
1957 10   6.14  -6.01   0.06 
1957 11   4.10  -6.34  -1.12 
1957 12  -1.41 -13.06  -7.23 
1958 01   -.98 -13.89  -7.43 
1958 02  -7.90 -19.46 -13.68 
1958 03  -2.72 -12.86  -7.79 
1958 04   9.31  -2.08   3.61 
1958 05  19.91   4.11  12.01 
1958 06  20.35   3.93  12.14 
1958 07  22.85   8.51  15.68 
1958 08  25.09   8.42  16.75 
1958 09  17.07   2.98  10.02 
1963 03   3.17 -99.99 -99.99 
1963 05  15.75   1.94   8.84 
1963 06  20.68   7.22  13.95 
1963 07  23.35   9.50  16.42 
1963 08  22.62   8.63  15.62 
1963 09  20.92   5.98  13.45 
1963 10  14.98   -.69   7.14 
1963 11   -.65 -11.48  -6.06 
1964 01  -5.18 -14.02  -9.60 
1964 02   3.13  -6.79  -1.83 
1964 03  -2.08 -14.18  -8.13 
1964 05  15.86   3.86   9.85 
1964 06  19.70   7.73  13.71 
1964 07  22.87   9.55  16.21 
1964 08  20.07   7.11  13.59 
1964 09  13.26   2.35   7.81 
1964 10  13.91   0.66   7.28 
1964 11  -1.02  -8.43  -4.72 
1964 12 -14.28 -23.08 -18.68 
1965 01  -9.14 -18.91 -14.02 
1965 02  -4.39 -16.66 -10.52 
1965 03  -2.80 -14.65  -8.72 
1965 05  15.35   2.72   9.03 
1965 06  18.26   7.22  12.74 
1965 07  22.53  10.49  16.51 
1965 08  22.36  10.18  16.27 
1965 09  11.05   0.13   5.59 
1965 10  15.63   0.39   8.01 
1965 11  -2.19 -11.90  -7.04 
1965 12  -5.37 -15.28 -10.32 
1966 01 -16.53 -25.24 -20.88 
1966 02  -3.76 -15.51  -9.63 
1966 05  18.12   3.55  10.83 
1966 06  18.49   5.24  11.86 
1966 07  21.63   8.87  15.25 
1966 08  19.95   7.82  13.88 
1966 09  19.60   5.23  12.41 
1966 10  11.21  -1.21   5.00 
1966 11  -4.65 -13.54  -9.09 
1966 12  -4.73 -14.25  -9.49 
1967 01  -9.81 -18.77 -14.29 
1967 02  -1.75 -99.99 -99.99 
1967 03  -3.53 -15.19  -9.35 
1967 05  14.30   2.01   8.15 
1967 06  18.12   6.26  12.19 
1967 07  22.92   8.76  15.84 
1967 08  25.15   9.46  17.30 
1967 09  23.38   5.88  14.62 
1967 11   2.15  -7.46  -2.65 
1967 12  -4.82 -14.21  -9.51 
1968 01  -6.86 -18.31 -12.58 
1968 02  -2.07 -12.93  -7.50 
1968 03   4.48  -4.35   0.06 
1968 05  15.28   2.08   8.68 
1968 06  18.24   6.10  12.17 
1968 07  22.19   8.74  15.46 
1968 08  18.36   6.86  12.61 
1968 09  16.31   4.71  10.51 
1968 10   9.62   -.95   4.33 
1968 11   2.39  -6.98  -2.29 
1969 01 -23.06 -31.10 -27.08 
1969 02  -7.02 -18.14 -12.58 
1969 04  12.58   0.29   6.43 
1969 05  17.20   3.56  10.38 
1969 06  20.61   7.08  13.84 
1969 07  21.74   8.04  14.89 
1969 08  22.64   7.72  15.17 
1969 09  15.44   3.96   9.70 
1969 10   7.84  -3.09   2.37 
1969 11   4.46  -6.67  -1.10 
1969 12  -1.13 -10.60  -5.86 
1970 01 -11.78 -20.55 -16.16 
1970 02   0.56 -11.82  -5.62 
1970 03   0.52  -9.91  -4.69 
1970 04   9.00  -2.47   3.26 
1970 05  16.51   3.35   9.93 
1970 06  23.34  10.26  16.79 
1970 07  22.90  10.77  16.83 
1970 08  23.55   8.22  15.89 
1970 09  16.89   2.63   9.76 
1970 10  10.21  -2.94   3.63 
1970 12  -9.93 -21.52 -15.72 
1971 01 -11.81 -21.30 -16.55 
1971 02   -.84 -12.08  -6.46 
1971 03   -.99 -12.51  -6.75 
1971 04   9.14  -1.87   3.64 
1971 05  18.95   4.19  11.58 
1971 06  18.39   7.51  12.95 
1971 07  21.41   8.87  15.14 
1971 08  25.30  11.07  18.18 
1971 09  14.58   3.07   8.82 
1971 10  10.68  -2.82   3.93 
1971 11   0.83  -6.95  -3.06 
1971 12 -10.30 -20.20 -15.25 
1972 01 -12.22 -21.73 -16.97 
1972 06  19.79   8.09  13.94 
1972 07  18.98   7.29  13.13 
1972 08  23.00   9.34  16.17 
1972 09  10.27   0.02   5.14 
1972 10   8.35  -3.28   2.53 
1972 11   0.28  -7.09  -3.40 
1972 12  -9.39 -18.62 -14.01 
1973 01  -4.14 -15.20  -9.67 
1973 02  -3.79 -14.60  -9.19 
1973 03   3.74  -7.85  -2.05 
1973 04   7.59  -3.06   2.26 
1973 05  17.65   3.24  10.44 
1973 06  19.20   6.87  13.03 
1973 07  21.44   8.10  14.77 
1973 08  19.84   7.94  13.89 
1973 09  15.67   3.61   9.64 
1973 10   9.41  -1.80   3.80 
1973 11 -10.00 -17.18 -13.59 
1973 12  -4.96 -14.35  -9.65 
1974 01 -12.69 -21.51 -17.10 
1974 02  -2.82 -13.78  -8.30 
1974 03  -3.49 -15.24  -9.36 
1974 04   9.37  -1.70   3.83 
1974 05  12.77   1.56   7.16 
1974 06  20.11   6.64  13.37 
1974 07  21.56   8.18  14.87 
1974 08  18.67   6.36  12.51 
1974 09  15.32   2.11   8.71 
1974 10  12.95   -.32   6.31 
1974 11   3.57  -7.31  -1.87 
1974 12   1.57 -10.00  -4.21 
1975 01  -5.83 -15.00 -10.41 
1975 02  -7.98 -18.67 -13.32 
1975 03  -2.93 -12.92  -7.92 
1975 04   4.34  -7.46  -1.56 
1975 05  14.49   2.47   8.47 
1975 06  18.83   6.70  12.76 
