1969 12   . 6  -6.49  -3.21 
1970 01 -5.18 -14.14  -9.66 
1970 02  3.35  -7.86  -2.25 
1970 03  5.85  -5.45    .20 
1970 04  9.04  -2.52   3.26 
1970 05 15.70    .92   8.30 
1970 06 22.81   7.09  14.95 
1970 07 24.70   7.15  15.92 
1970 08 24.23   6.76  15.49 
1970 09 15.89   2.33   9.11 
1970 10 10.29  -1.89   4.19 
1970 11   .71  -8.68  -3.98 
1970 12 -4.01 -13.51  -8.76 
1971 01 -2.92 -11.73  -7.32 
1971 02  1.39  -9.28  -3.94 
1971 03  2.32  -8.81  -3.24 
1971 04 10.18  -3.11   3.54 
1971 05 17.73   3.00  10.36 
1971 06 17.70   5.35  11.53 
1971 07 25.74   8.21  16.97 
1971 08 25.39   9.52  17.45 
1971 09 15.61   3.73   9.67 
1971 10  9.76    .-7   4.84 
1971 11  3.36  -2.98    .18 
1971 12 -6.58 -14.78 -10.68 
1972 01 -7.36 -17.02 -12.19 
1972 02  -.77 -11.19  -5.97 
1972 03  6.32  -4.42    .95 
1972 04  7.57  -2.99   2.29 
1972 05 17.61   2.59  10.10 
1972 06 18.58   6.54  12.56 
1972 07 23.51   7.92  15.71 
1972 08 24.79   8.33  16.56 
1972 09 14.48   2.50   8.49 
1972 10  9.96  -1.89   4.03 
1972 11  3.72  -3.13    .29 
1972 12 -3.81 -11.92  -7.86 
1973 01 -2.99 -11.95  -7.47 
1973 02  1.29  -8.60  -3.65 
1973 03  6.21  -3.54   1.33 
1973 04 11.54  -1.80   4.87 
1973 05 17.29   2.24   9.76 
1973 06 18.64   4.85  11.74 
1973 07 23.96   7.36  15.66 
1973 08 22.29   7.25  14.77 
1973 09 18.49   5.28  11.88 
1973 10  9.32    .56   4.94 
1973 11 -2.92  -8.96  -5.94 
1973 12   . 2  -6.55  -3.26 
1974 01 -2.97 -11.72  -7.34 
1974 02  2.98  -6.29  -1.65 
1974 03  5.19  -4.96    .11 
