1967 09  22.59   5.91  14.25 
1967 10   9.63   0.51   5.07 
1967 11   3.60  -5.52   -.96 
1967 12  -2.29 -11.39  -6.84 
1968 01   -.28 -10.45  -5.36 
1968 02   3.69  -6.35  -1.33 
1968 03   5.96  -1.81   2.07 
1968 04   6.05  -2.28   1.88 
1968 05  11.92   0.28   6.10 
1968 06  15.83   6.05  10.94 
1968 07  21.78   6.51  14.14 
1968 08  19.24   5.97  12.60 
1968 09  15.19   5.93  10.56 
1968 10   8.38   0.90   4.64 
1968 11   1.48  -5.04  -1.78 
1968 12  -5.10 -15.05 -10.07 
1969 01 -10.89 -23.06 -16.97 
1969 02   -.64 -10.10  -5.37 
1969 03   3.20  -8.01  -2.40 
1969 04   9.85   1.69   5.77 
1969 05  15.30   4.73  10.02 
1969 06  16.04   5.56  10.80 
1969 07  20.97   8.51  14.74 
1969 08  23.91   8.96  16.43 
1969 09  17.21   3.76  10.49 
1969 10   6.45  -2.63   1.90 
1969 12   1.35  -6.64  -2.64 
1970 01  -3.57 -14.55  -9.06 
1970 02   2.73  -7.66  -2.46 
1970 03   1.49 -10.00  -4.25 
1970 06  21.32   7.39  14.35 
1970 07  23.52   9.47  16.49 
1970 08  23.90   8.91  16.40 
1970 09  13.07   3.52   8.29 
1970 11   2.20  -7.61  -2.70 
1970 12  -2.92 -12.18  -7.55 
1971 01  -5.04 -14.97 -10.00 
1971 02   0.28  -9.16  -4.44 
1971 03   -.38  -8.64  -4.51 
1971 04   7.71  -1.69   3.01 
1971 09  12.56   1.68   7.12 
1971 10   8.35   -.24   4.06 
1971 12  -4.31 -14.76  -9.53 
1972 01  -6.95 -19.27 -13.11 
1972 02  -1.52 -99.99 -99.99 
1972 03   4.46  -4.46   0.00 
1972 04   5.83  -3.96   0.93 
1972 12  -5.19 -14.15  -9.67 
1973 01  -2.65 -99.99 -99.99 
1973 02   1.30 -99.99 -99.99 
1973 03   4.01  -3.85   0.08 
1979 12   2.74  -7.07  -2.16 
1980 01  -5.35 -17.93 -11.64 
1980 02   1.75  -8.41  -3.33 
1980 03   1.25  -8.12  -3.43 
1980 04  11.06  -1.05   5.00 
1980 06  19.56   3.43  11.49 
1980 07  23.65   4.67  14.16 
1980 08  19.09   3.48  11.28 
