1960 11   -.61  -8.39  -4.50 
1960 12 -10.43 -22.34 -16.38 
1961 01 -12.25 -25.23 -18.74 
1961 02  -6.62 -19.37 -13.00 
1961 03   -.15 -13.84  -6.99 
1961 04   5.79  -4.73   0.52 
1961 05  18.20   0.95   9.58 
1961 06  26.02   9.42  17.72 
1961 07  25.49  11.88  18.68 
1961 08  28.14  10.50  19.32 
1961 09  15.98   3.60   9.79 
1961 10  11.70  -1.88   4.91 
1961 11  -0.05  -8.59  -4.32 
1961 12 -12.55 -23.32 -17.93 
1962 01 -15.30 -28.34 -21.82 
1962 02 -14.02 -29.23 -21.62 
1962 03  -2.67 -16.20  -9.43 
1962 04   5.07  -7.18  -1.05 
1962 05  15.82   3.81   9.81 
1962 06  23.91  10.60  17.25 
1962 07  23.89  11.65  17.77 
1962 08  23.03  11.50  17.26 
1962 09  17.04 -99.99 -99.99 
1962 10  13.50   1.01   7.25 
1962 11   0.98  -6.54  -2.78 
1962 12  -8.82 -18.73 -13.77 
1963 01 -17.15 -27.90 -22.52 
1963 02 -12.04 -25.16 -18.60 
1963 03   -.20 -15.07  -7.63 
1963 04   9.64  -2.23   3.70 
1963 05  15.76   2.23   8.99 
1963 06  23.60  12.19  17.89 
1963 07  27.04  14.15  20.59 
1963 08  24.80  11.75  18.27 
1963 09  20.32   6.52  13.42 
1963 10  18.82   4.00  11.41 
1963 11   2.33  -7.94  -2.80 
1963 12 -12.20 -99.99 -99.99 
1964 01  -9.59 -99.99 -99.99 
1964 02  -6.51 -99.99 -99.99 
1964 03  -6.53 -99.99 -99.99 
1964 04   9.41   -.92   4.24 
1964 05  19.27   4.53  11.90 
1964 06  21.60   7.98  14.79 
1964 07  26.23  13.32  19.77 
1964 08  21.85   9.62  15.73 
1964 09  16.59   3.04   9.81 
1964 10  12.53   -.77   5.88 
1964 11   -.46  -9.83  -5.14 
1964 12 -14.61 -25.31 -19.95 
1965 01 -16.16 -31.02 -23.59 
1965 02 -13.15 -27.30 -20.22 
1965 03  -7.74 -23.82 -15.78 
1965 04   7.23  -2.15   2.54 
1965 05  16.99   3.13  10.05 
1965 06  22.65   9.84  16.24 
1965 07  23.54  11.53  17.53 
1965 08  23.91  10.29  17.10 
1965 09  13.49   1.04   7.27 
1965 10  12.74   -.10   6.32 
1965 11  -2.51 -12.08  -7.29 
1965 12  -5.16 -16.04 -10.60 
1966 01 -21.49 -35.02 -28.25 
1966 02 -12.80 -29.69 -21.24 
1966 03   -.65 -12.37  -6.51 
1966 05  14.13   1.68   7.90 
1966 06  24.22  10.89  17.55 
1966 11  -5.00 -15.38 -10.19 
1966 12 -11.02 -23.60 -17.31 
1967 01 -13.10 -25.71 -19.40 
1967 02 -15.36 -30.76 -23.06 
1967 03  -3.55 -17.42 -10.48 
1967 04   4.48  -6.35   -.93 
1967 05  15.40   0.47   7.93 
1967 06  22.42   8.64  15.53 
1967 07  25.68  11.15  18.41 
1967 08  24.88   9.08  16.98 
1967 09  22.47   7.18  14.82 
1967 10   8.34  -1.19   3.57 
1967 11  -1.07  -8.51  -4.79 
1967 12  -8.55 -16.43 -12.49 
1968 01 -13.66 -25.28 -19.47 
1968 02 -12.04 -25.41 -18.72 
1968 03   0.68 -11.74  -5.53 
1968 04   9.93  -2.86   3.53 
1968 05  15.81   2.63   9.22 
1968 06  20.49   9.05  14.77 
1968 07  23.97  10.78  17.37 
1968 09  19.08   7.57  13.32 
1968 10  10.28   -.17   5.05 
1968 11   0.92  -7.42  -3.25 
1968 12 -10.61 -20.20 -15.40 
1969 01 -16.69 -28.30 -22.49 
1969 02  -8.81 -21.87 -15.34 
1969 03  -4.44 -17.83 -11.14 
1969 04  11.08  -1.65   4.71 
1969 05  16.96   3.78  10.37 
1969 06  18.87   5.62  12.24 
1969 09  18.59   6.75  12.67 
1969 10   5.77  -1.68   2.04 
1969 11   0.83  -6.97  -3.07 
1970 01 -15.45 -26.11 -20.78 
1970 02 -10.06 -24.17 -17.11 
1970 03  -5.26 -21.96 -13.61 
1970 04   4.77  -3.96   0.40 
1970 05  15.11   2.45   8.78 
1970 06  24.81  11.99  18.40 
1970 07  26.38  14.37  20.37 
1970 08  25.63  11.06  18.34 
1970 10  10.82   0.20   5.51 
1970 11   -.94  -8.88  -4.91 
1970 12 -13.57 -25.32 -19.44 
1971 01 -17.78 -28.44 -23.11 
1971 03  -1.81 -13.45  -7.63 
1971 04   7.45  -2.98   2.23 
1971 05  18.46   2.69  10.58 
1971 06  22.94  11.24  17.09 
1971 08  26.07 -99.99 -99.99 
1971 09  19.20   5.79  12.49 
1971 10  11.44   1.39   6.41 
1971 11  -1.80  -9.34  -5.57 
1971 12 -10.37 -22.44 -16.40 
1972 01 -17.04 -29.80 -23.42 
1972 02 -14.78 -27.74 -21.26 
1972 03  -2.97 -14.12  -8.54 
1972 04   7.96  -2.94   2.51 
1972 05  22.38   6.66  14.52 
1972 06  24.86   9.72  17.29 
1972 09  16.06   3.16   9.60 
1972 10   8.20  -2.91   2.64 
1972 11  -3.37  -9.64  -6.50 
1972 12 -15.11 -25.58 -20.34 
1973 01  -9.93 -22.00 -15.96 
1973 02  -8.29 -21.99 -15.14 
1973 03   4.71  -4.91  -0.09 
1973 04   9.45  -4.21   2.62 
1973 05  18.44   3.00  10.72 
1973 06  21.70   9.96  15.83 
1973 08  26.25  12.38  19.31 
1973 09  18.10   5.80  11.95 
1973 10  12.48   2.71   7.59 
1973 11  -3.49 -10.92  -7.20 
1973 12 -11.65 -22.55 -17.09 
1974 01 -17.98 -30.52 -24.25 
1974 02 -10.42 -27.65 -19.03 
1974 03  -5.10 -18.41 -11.75 
1974 04   6.74  -3.79   1.47 
1974 05  13.31   2.88   8.09 
1974 06  24.26   9.68  16.97 
1974 07  28.08  14.55  21.31 
1974 08  21.23   9.89  15.56 
1974 09  15.22   3.17   9.19 
1974 10  11.55  -1.13   5.21 
1974 12  -4.75 -13.84  -9.29 
1975 01 -11.43 -22.44 -16.93 
1975 02 -10.99 -24.04 -17.51 
1975 03  -5.63 -17.54 -11.59 
1975 05  18.03   4.46  11.24 
1975 12  -9.43 -22.13 -15.78 
1976 01 -13.15 -25.14 -19.14 
1976 02  -5.97 -19.21 -12.59 
1976 03  -3.56 -18.77 -11.16 
1976 04  11.91  -1.11   5.40 
1976 05  18.98   2.51  10.74 
1976 08  26.75  11.02  18.88 
1976 09  20.86   4.30  12.58 
1976 10   8.91  -4.33   2.29 
1976 11  -1.58 -12.94  -7.26 
1976 12 -13.23 -26.13 -19.68 
1977 01 -16.52 -27.72 -22.12 
1977 02  -6.27 -18.32 -12.29 
1977 03   1.97  -9.63  -3.83 
1977 04  15.00  -1.89   6.55 
1977 05  24.53  11.62  18.07 
