1966 01 -1.16  -8.13  -4.65 
1966 02 -1.99 -13.17  -7.58 
1966 03  4.03  -5.48   -.72 
1966 04  7.43  -3.60   1.91 
1966 05 15.17   1.48   8.32 
1966 06 20.17   7.98  14.07 
1966 07 23.89   9.55  16.71 
1966 08 23.29   9.85  16.57 
1966 09 17.90   4.61  11.25 
1966 10 13.05   2.74   7.89 
1966 11  9.22   1.04   5.13 
1966 12  1.94  -5.08  -1.57 
1967 01  -.92 -11.17  -6.04 
1967 02 -3.13 -17.61 -10.37 
1967 03  -.92 -12.49  -6.70 
1967 04  4.46  -6.31   -.92 
1967 06 21.74   6.67  14.20 
1967 07 24.95  14.48  19.71 
1967 08 23.85  13.17  18.51 
1967 09 19.67   6.47  13.07 
1967 10 13.17   3.45   8.31 
1967 11  6.67  -1.28   2.69 
1967 12   .68  -8.58  -3.95 
1968 01 -4.46 -15.81 -10.13 
1968 02 -4.12 -17.31 -10.71 
1968 03  3.56  -6.27  -1.35 
1968 04 10.55  -1.43   4.56 
1968 05 13.65    .25   6.95 
1968 06 18.54   6.03  12.29 
1968 07 24.89  11.31  18.10 
1968 08 21.90   8.83  15.36 
1968 09 20.39   8.13  14.26 
1968 10 14.46   3.35   8.90 
1968 11  4.82  -3.21    .80 
1968 12  1.45  -6.67  -2.61 
1969 01 -1.00  -9.96  -5.48 
1969 02  -.15  -7.10  -3.62 
1969 03  2.44  -6.66  -2.10 
1969 04  8.12  -3.18   2.46 
1969 05 13.37   1.40   7.38 
1969 06 22.47   7.93  15.20 
1969 07 22.74   9.01  15.87 
1969 08 23.82  10.37  17.09 
1969 09 19.01   7.35  13.18 
1969 10 11.29    .91   6.10 
1969 11  8.84    .25   4.54 
1969 12  3.50  -4.50   -.50 
1970 01 -6.24 -16.94 -11.59 
1970 02   .14 -12.44  -6.14 
1970 03  1.93  -7.42  -2.74 
1970 04  7.23  -3.81   1.71 
1970 05 15.08   3.03   9.05 
1970 06 21.06   7.60  14.33 
1970 07 24.70  11.52  18.11 
1970 08 23.13  12.51  17.82 
1970 09 17.02   6.85  11.93 
1970 10 14.02   4.00   9.01 
1970 11  7.37  -1.38   2.99 
1970 12 -2.65 -12.55  -7.60 
1971 01 -4.57 -15.66 -10.11 
1971 02 -1.04 -11.68  -6.36 
1971 03  2.77  -5.58  -1.40 
1971 04  7.91  -1.03   3.44 
1971 05 15.85   4.57  10.21 
1971 06 19.37   6.59  12.98 
1971 07 24.12  11.27  17.69 
1971 08 22.83  11.82  17.32 
1971 09 19.29   7.11  13.20 
1971 10 14.34   2.94   8.64 
1971 11  5.41  -1.85   1.78 
1971 12 -1.46 -10.45  -5.95 
1972 01 -1.27 -12.67  -6.97 
1972 02 -3.08 -15.67  -9.37 
1972 03  1.31  -9.54  -4.11 
1972 04  4.66  -4.19    .23 
1972 05 15.36   1.77   8.56 
1972 06 20.85  10.36  15.60 
1972 07 23.32  11.85  17.58 
1972 08 22.59   9.76  16.17 
1972 09 19.65   6.69  13.17 
1972 10 10.87   1.42   6.14 
1972 11  3.64  -3.56    . 4 
1972 12  -.77 -11.59  -6.18 
1973 01 -1.99 -12.26  -7.12 
1973 02 -2.15 -12.20  -7.17 
1973 03  4.89  -6.43   -.77 
1973 04  8.03  -1.52   3.25 
1973 05 13.24   3.96   8.60 
1973 06 21.16   9.91  15.53 
1973 07 24.53  14.52  19.52 
1973 08 22.42  12.04  17.23 
1973 09 17.89   5.50  11.69 
1973 10 12.49   1.31   6.89 
1973 11  5.02  -2.90   1.05 
1973 12  5.31  -4.89    .21 
1974 01 -2.97 -13.07  -8.01 
1974 02 -2.46 -14.69  -8.57 
1974 03  1.63  -7.96  -3.16 
1974 04  8.37  -1.16   3.60 
1974 05 10.80    .65   5.72 
1974 06 20.63   7.02  13.82 
1974 07 21.34   9.64  15.49 
1974 08 23.77  11.08  17.42 
1974 09 18.40   8.02  13.21 
1974 10  9.51   -.61   4.45 
1975 01 -1.26 -12.84  -7.05 
1975 02 -4.28 -15.49  -9.88 
1975 03   .92  -7.97  -3.52 
1975 04  5.42  -2.79   1.31 
1975 05 14.80   2.80   8.80 
1975 06 20.82   5.82  13.32 
1975 07 25.93  13.25  19.59 
1975 08 23.16  11.52  17.34 
1975 09 19.28   6.65  12.96 
1975 10 12.11    .71   6.41 
1975 11  9.18  -1.16   4.01 
1975 12   .52 -10.79  -5.13 
1976 01 -1.02 -12.35  -6.68 
1976 02  1.13 -11.02  -4.94 
1976 03  3.35  -8.08  -2.36 
1976 04  8.77  -1.20   3.78 
1976 05 15.81   4.48  10.14 
1976 06 20.73   9.35  15.04 
1976 08 23.31  11.49  17.40 
1976 09 18.50   7.13  12.81 
1976 10 12.26   1.30   6.78 
1976 11  4.26  -3.99    .13 
1976 12   .23 -11.82  -5.79 
1977 01 -3.30 -14.39  -8.84 
1977 02 -1.10 -10.47  -5.78 
1977 03  3.84  -4.81   -.48 
1977 04  7.33  -3.30   2.01 
1977 05 14.74   1.00   7.87 
1977 06 18.32   9.00  13.66 
1977 08 23.47  11.76  17.61 
1977 09 16.96   5.47  11.21 
1977 10 12.92   2.11   7.52 
