1963 12  1.70  -8.03  -3.16 
1964 01   .57  -9.25  -4.34 
1964 02  3.01  -8.22  -2.60 
1964 03  7.32  -4.54   1.39 
1964 04 14.53   2.31   8.42 
1964 05 22.36   7.69  15.02 
1964 06 27.50  11.45  19.47 
1964 07 32.80  17.71  25.25 
1964 08 28.08  14.13  21.10 
1964 09 25.17  10.45  17.81 
1964 11  8.24  -2.64   2.79 
1964 12  4.66  -5.85   -.59 
1965 01  5.68  -4.67    .50 
1965 02  6.06  -5.82    .11 
1965 03  8.82  -2.81   3.00 
1965 04 15.56   3.56   9.56 
1965 05 19.96   6.99  13.48 
1965 06 25.85  11.20  18.52 
1965 07 30.45 -99.99 -99.99 
1965 08 29.93 -99.99 -99.99 
1965 09 22.10   8.60  15.35 
1965 11 11.95   1.27   6.60 
1965 12  4.42  -6.26   -.91 
1966 01  1.69 -10.10  -4.21 
1966 02  2.74  -8.83  -3.04 
1966 03 12.88  -1.54   5.67 
1966 04 17.42   2.52   9.97 
1966 05 24.67   9.57  17.11 
1966 06 28.81  13.04  20.92 
1966 07 33.21  16.54  24.87 
1966 08 31.63  16.43  24.03 
1966 09 26.39  11.32  18.85 
1966 10 17.12   3.27  10.20 
1966 11 11.11    .-8   5.51 
1966 12  3.73  -6.45  -1.35 
1967 01  2.69  -9.03  -3.16 
1967 02  8.66  -4.58   2.04 
1967 03 14.63    .81   7.72 
1967 04 16.39   1.75   9.07 
1967 05 21.45   6.49  13.97 
1967 06 26.20  11.06  18.63 
1967 07 31.55  16.42  23.98 
1967 08 31.10  14.94  23.02 
1967 09 26.14   9.72  17.93 
1967 10 20.58   4.75  12.66 
1967 11 11.97  -1.83   5.07 
1967 12   .31 -12.90  -6.29 
1968 01  1.36 -13.12  -5.88 
1968 02  7.63  -4.79   1.42 
1968 03 12.81  -2.41   5.20 
1968 04 14.10  -1.63   6.23 
1968 05 21.85   4.73  13.29 
1968 06 30.46  11.88  21.17 
1968 07 31.61  14.54  23.07 
1968 09 25.57   8.43  17.00 
1968 11  8.18  -3.22   2.48 
1968 12  1.57  -9.80  -4.11 
1969 01  5.76  -5.31    .22 
1969 02  5.03  -5.43   -.19 
1969 03  8.93  -4.04   2.44 
1969 04 18.66   4.19  11.42 
1969 05 25.65  10.90  18.27 
1969 06 26.62  10.16  18.39 
1969 07 32.91  16.06  24.48 
1969 08 32.61  15.43  24.02 
1969 09 27.59  10.06  18.82 
1969 10 13.60   -.66   6.47 
1969 11  9.05  -5.34   1.85 
1970 01  4.21  -9.18  -2.48 
1970 02 10.10  -4.50   2.80 
1970 03  9.39 -99.99 -99.99 
1970 04 13.67 -99.99 -99.99 
1970 05 24.30   8.13  16.21 
1970 06 27.39  11.67  19.52 
1970 07 33.11  15.28  24.19 
1970 08 32.71  14.45  23.58 
1970 09 24.60   7.32  15.96 
1970 10 15.78   1.47   8.62 
1970 11 10.72  -2.20   4.26 
1970 12  4.57  -5.69   -.55 
1971 01  3.85  -7.58  -1.86 
1971 02  6.36  -6.31    . 2 
1971 03 12.24  -3.12   4.56 
1971 04 16.95   2.71   9.83 
1971 05 22.02   5.48  13.75 
1971 06 29.20  12.39  20.79 
1971 08 31.48  14.30  22.89 
1972 04 17.50   5.13  11.31 
1972 05 23.65   8.64  16.14 
1972 06 28.46  14.32  21.39 
1972 07 32.56  16.62  24.59 
1972 08 29.92  14.85  22.38 
1972 09 26.37  11.09  18.73 
1972 10 14.82   4.84   9.83 
1972 11  6.09  -4.48    .80 
1972 12   . 9 -11.04  -5.47 
1973 01 -2.48 -13.87  -8.17 
1973 02  3.15  -8.18  -2.51 
1973 03  8.41  -2.79   2.81 
1973 04 13.50   1.07   7.28 
1973 05 21.89   8.82  15.35 
1973 06 27.56  11.88  19.71 
1973 07 31.05  15.46  23.25 
1973 08 30.72  15.05  22.88 
1973 09 24.85   9.30  17.07 
1973 10 19.00   4.75  11.87 
1973 11  9.85   -.98   4.43 
1973 12 99.99  -6.59 -99.99 
1974 01 -2.39 -11.55  -6.97 
1974 02  2.01 -10.41  -4.19 
1974 03 13.90   2.19   8.04 
1974 04 14.86    .68   7.77 
1974 05 24.68  10.37  17.52 
1974 06 31.10  15.02  23.06 
1974 07 30.82  16.51  23.66 
1974 08 30.20  14.75  22.47 
1974 09 25.71   9.91  17.81 
1974 10 18.21   5.22  11.71 
1974 11  8.57  -1.84   3.36 
1975 01  1.74 -10.16  -4.21 
1975 02  5.30  -5.35    .-2 
1975 03  9.39  -1.70   3.85 
1975 04 13.69    .88   7.28 
1975 05 19.62   5.79  12.70 
1975 06 25.81  10.31  18.06 
1975 07 31.11  16.79  23.95 
1975 08 30.13  15.52  22.82 
1975 09 25.13  11.36  18.24 
1975 10 18.93   4.77  11.85 
1975 12  2.59  -7.71  -2.56 
1976 01  1.75  -9.34  -3.79 
1976 02  8.60  -2.11   3.24 
1976 03 10.50  -3.52   3.49 
1976 04 16.83   3.74  10.28 
1976 05 22.84   8.72  15.78 
1976 06 28.64  12.47  20.55 
1976 07 32.74  17.17  24.95 
1976 08 29.70  14.98  22.34 
1976 10 17.25   3.56  10.40 
1976 11 10.86  -1.54   4.66 
1976 12  3.98  -7.25  -1.63 
1977 01  1.50  -8.85  -3.67 
1977 02  8.72  -3.76   2.48 
1977 04 19.68   4.03  11.85 
1977 05 21.94   8.32  15.13 
1977 06 31.59  16.39  23.99 
1977 07 31.20  16.29  23.75 
1977 12 10.36  -4.66   2.85 
1978 01   .25 -99.99 -99.99 
1978 05 99.99   5.30 -99.99 
