1967 11  6.55  -6.97   -.20 
1967 12 -3.65 -16.51 -10.08 
1968 01 -1.82 -17.79  -9.80 
1968 02  2.35 -12.32  -4.98 
1968 03  6.85  -9.26  -1.20 
1968 04  8.79  -5.43   1.68 
1968 05 16.62   -.52   8.04 
1968 06 22.32   2.97  12.64 
1968 07 28.84   4.71  16.78 
1968 08 22.98   5.09  14.03 
1968 09 20.87    .14  10.50 
1968 10 13.74  -5.06   4.34 
1968 11  4.04  -9.55  -2.75 
1968 12   .49 -14.79  -7.15 
1969 01  1.63 -12.57  -5.47 
1969 02   .32 -14.50  -7.09 
1969 03  4.30 -14.72  -5.21 
1969 04 11.89  -4.46   3.71 
1969 05 21.51   -.22  10.64 
1969 06 19.78   3.20  11.49 
1969 07 27.49   4.52  16.00 
1969 08 29.70   4.16  16.93 
1969 09 23.21    .30  11.75 
1969 10 10.40  -5.52   2.43 
1969 11  7.00 -99.99 -99.99 
1969 12  1.22 -13.07  -5.92 
1970 01  -.58 -12.68  -6.63 
1970 02  3.45 -14.81  -5.68 
1970 03  4.96 -12.19  -3.61 
1970 04  6.17  -8.26  -1.04 
1970 05 16.41    . 5   8.22 
1970 06 22.48   3.35  12.91 
1970 07 26.84   5.43  16.13 
1970 08 28.78   3.88  16.33 
1970 09 17.93 -99.99 -99.99 
1970 11  4.98  -7.30  -1.15 
1970 12 -1.45 -16.12  -8.79 
1971 01   . 9 -12.20  -6.05 
1971 02  1.52 -15.55  -7.01 
1971 03  3.14 -11.28  -4.06 
1971 04  8.66  -5.26   1.69 
1971 05 17.36    .-3   8.66 
1971 06 21.52   1.92  11.72 
1971 07 27.13   2.45  14.79 
1971 08 29.45   5.12  17.28 
1971 09 19.24  -2.44   8.39 
1971 11  4.57 -10.44  -2.93 
1971 12 -1.38 -15.39  -8.38 
1972 01 -1.89 -14.98  -8.43 
1972 02   .70 -12.78  -6.04 
1972 03  6.20  -7.62   -.71 
1972 04  9.27  -4.60   2.33 
1972 06 22.26   3.35  12.80 
1972 07 26.38   2.47  14.42 
1972 09 18.12   -.87   8.62 
1972 10 14.05  -3.74   5.15 
1972 12 -4.19 -19.00 -11.60 
