1966 07  23.42   7.68  15.55 
1966 08  21.96   6.61  14.28 
1966 09  21.98   5.11  13.54 
1966 10  12.74   -.27   6.23 
1966 11   1.26 -11.42  -5.08 
1966 12   2.18  -9.34  -3.58 
1967 01   0.01 -13.88  -6.93 
1967 02   3.32  -9.67  -3.17 
1967 03   0.01 -11.51  -5.75 
1967 04   4.36  -6.19   -.91 
1967 05  14.03   0.57   7.30 
1967 06  19.12   4.94  12.03 
1967 07  26.44   7.33  16.88 
1967 08  27.01   8.14  17.58 
1967 09  25.24   5.92  15.58 
1967 10  13.94   0.38   7.16 
1967 11   6.10  -6.46   -.18 
1967 12   -.96 -13.04  -7.00 
1968 01  -4.15 -16.79 -10.47 
1968 02   4.32  -8.66  -2.16 
1968 04   9.12  -3.79   2.66 
1968 05  15.23   1.19   8.21 
1968 06  18.87   5.54  12.20 
1968 07  23.38   8.35  15.86 
1968 08  20.17   6.84  13.50 
1968 09  17.82   4.30  11.06 
1968 10  12.13   0.19   6.16 
1968 11   5.83  -5.81   0.00 
1968 12  -6.92 -18.14 -12.53 
1969 01 -16.74 -27.50 -22.12 
1969 02  -1.35 -13.85  -7.60 
1969 03   4.33  -8.34  -2.00 
1969 04  14.57   0.92   7.74 
1969 05  17.32   3.02  10.17 
1969 06  18.81   6.73  12.77 
1969 07  22.58   7.21  14.89 
1969 08  26.04   6.84  16.44 
1969 09  19.34   3.59  11.46 
1969 10   8.99  -3.89   2.54 
1969 11   9.85  -3.18   3.33 
1969 12   4.55  -8.58  -2.01 
1970 01  -4.96 -16.62 -10.79 
1970 02   5.54  -8.95  -1.70 
1970 03   2.89  -8.89  -3.00 
1970 04   7.90  -2.83   2.53 
1970 05  17.50   2.76  10.13 
1970 06  23.32   8.07  15.69 
1970 07  26.67   9.09  17.88 
1970 08  27.38   6.41  16.89 
1970 09  18.01   1.64   9.82 
1970 10  12.62  -2.30   5.16 
1970 11   2.29 -11.74  -4.72 
1970 12  -2.85 -14.05  -8.45 
1971 01  -6.16 -18.06 -12.11 
1971 02   3.57  -8.26  -2.34 
1971 03   2.68  -9.62  -3.46 
1971 04  10.74  -1.48   4.63 
1971 05  17.54   3.01  10.28 
1971 06  19.52   5.67  12.59 
1971 07  24.93   6.89  15.91 
1971 08  29.30  10.06  19.68 
1971 09  16.50   1.53   9.01 
1971 10  11.18  -2.24   4.47 
1971 11   4.76  -6.18   -.70 
1971 12  -4.48 -18.35 -11.41 
1972 01  -8.78 -20.74 -14.76 
1972 02  -4.21 -16.12 -10.17 
1972 03   4.61  -7.78  -1.58 
1972 04   4.25  -5.91   -.82 
1972 05  15.95   2.22   9.08 
1972 06  21.10   6.72  13.91 
1972 07  21.33   7.08  14.20 
1972 08  24.58   8.79  16.68 
1972 09  13.37   0.80   7.08 
1972 10  11.67  -3.61   4.03 
1972 11   4.62  -6.14   -.76 
1972 12  -3.95 -14.27  -9.11 
1973 01   0.98 -10.71  -4.86 
1973 02   2.56 -11.23  -4.33 
1973 03   8.71  -4.55   2.08 
1976 02   2.80  -8.29  -2.74 
1976 03   4.76  -9.05  -2.14 
