1966 12   2.36  -1.78   0.29 
1967 01   1.02  -2.77   -.87 
1967 02   3.64  -3.21   0.21 
1967 03   3.29  -3.98   -.34 
1967 04   5.92  -2.28   1.82 
1967 05  12.79   0.57   6.68 
1967 06  21.63   5.80  13.71 
1967 07  24.56   8.04  16.29 
1967 08  28.73   9.58  19.15 
1967 09  21.46   7.16  14.31 
1967 10  10.61   1.59   6.10 
1967 11   5.20   -.34   2.42 
1967 12   -.24  -5.35  -2.79 
1968 01   0.57  -4.63  -2.03 
1968 02   5.38  -2.32   1.53 
1968 03   6.07  -1.73   2.17 
1968 04   7.97  -1.71   3.13 
1968 05  14.75   1.97   8.35 
1968 06  18.28   4.82  11.55 
1968 07  25.27   8.10  16.68 
1968 08  19.79   6.79  13.29 
1968 09  17.62   4.53  11.07 
1968 10   9.39   0.64   5.02 
1968 11   4.19  -1.24   1.47 
1968 12  -1.23  -6.39  -3.81 
1969 01  -3.41  -8.58  -5.99 
1969 02   1.35  -5.93  -2.29 
1969 03   6.83  -3.32   1.75 
1969 04   8.43   -.75   3.84 
1969 05  16.41   2.25   9.33 
1969 06  21.46   7.45  14.45 
1969 07  23.02   7.21  15.11 
1969 08  21.97   6.58  14.27 
1969 09  18.23   5.53  11.88 
1969 10   9.68   0.38   5.03 
1969 11   6.23   0.06   3.14 
1969 12   3.14  -2.67   0.23 
1970 01   0.83  -4.73  -1.95 
1970 02   4.42  -2.13   1.14 
1970 03   5.79  -3.05   1.37 
1970 04   5.41  -2.40   1.50 
1970 05  14.84   1.24   8.04 
1970 06  21.94   6.50  14.22 
1970 07  24.40   8.18  16.29 
1970 08  25.39   7.36  16.37 
1970 09  15.76   3.88   9.82 
1970 10  10.54   0.58   5.56 
1970 11   4.11  -2.44   0.83 
1970 12   0.20  -6.00  -2.90 
1971 01   0.41  -5.65  -2.62 
1971 02   2.25  -4.37  -1.05 
1971 03   0.89  -5.15  -2.13 
1971 04   6.71  -1.84   2.43 
1971 05  11.64   0.47   6.05 
1971 06  14.43   2.54   8.48 
1971 07  25.21   7.62  16.41 
1971 08  26.22   8.84  17.52 
1971 09  15.94   3.59   9.76 
1971 10   9.68   0.30   4.99 
1971 11   2.82  -2.07   0.37 
1971 12   -.46  -6.12  -3.29 
1972 01  -1.16  -7.55  -4.35 
1972 02   2.47  -4.27   -.90 
1972 03   5.32  -2.89   1.21 
1972 04   5.53  -3.35   1.09 
1972 05  16.25   1.44   8.84 
1972 06  18.82   4.63  11.72 
1972 07  24.28   7.03  15.65 
1972 08  26.52   7.93  17.22 
1972 09  16.12   2.46   9.29 
1972 10  16.25   0.42   8.33 
1972 11   4.44  -1.98   1.23 
1972 12   -.74  -7.28  -4.01 
1973 01   0.12  -7.01  -3.44 
1973 02   5.70  -3.93   0.88 
1973 03   5.10  -2.86   1.12 
1973 04  11.53  -2.02   4.75 
1973 05  15.39   1.65   8.52 
1973 06  18.43   4.77  11.60 
1973 07  23.39   6.38  14.88 
1973 08  22.36   4.77  13.56 
1973 09  19.20   4.07  11.64 
1973 10  10.30   0.24   5.27 
1973 11   1.22  -4.92  -1.85 
1974 06  18.87   3.09  10.98 
1974 07  20.84   6.35  13.59 
1974 08  24.92   7.02  15.97 
1974 10  15.80   1.09   8.44 
1974 11   5.12  -1.81   1.65 
1974 12   1.60  -4.08  -1.24 
1975 06  16.77   3.48  10.12 
1975 07  24.17   8.60  16.38 
1975 08  19.29   5.86  12.58 
1975 09  22.43   4.87  13.65 
1975 10   8.60   0.74   4.67 
1975 11   3.29  -3.82   -.26 
