1971 11  6.00  -8.13  -1.06 
1971 12  -.15 -13.10  -6.62 
1972 01   .95 -11.08  -5.06 
1972 02  5.99  -8.77  -1.39 
1972 03 11.78  -5.14   3.32 
1972 04 12.65 -99.99 -99.99 
1972 05 20.63   -.41  10.10 
1972 06 25.13   4.96  15.04 
1972 07 29.96   6.39  18.17 
1972 08 29.08   7.27  18.17 
1972 09 21.38   2.42  11.90 
1972 10 15.35   -.30   7.52 
1972 11  5.52  -5.83   -.15 
1972 12   .56 -12.76  -6.10 
1973 01  1.50 -13.38  -5.94 
1973 02  4.90  -8.71  -1.90 
1973 03  5.38  -6.11   -.36 
1973 04 11.46  -3.57   3.94 
1973 06 24.97   5.20  15.08 
1973 07 28.71   8.85  18.78 
1973 08 28.93   8.01  18.47 
1973 09 22.65    .85  11.75 
1973 10 16.79  -2.00   7.39 
1973 11  6.15  -4.52    .81 
1973 12  3.84  -7.22  -1.69 
1974 01  1.04 -10.51  -4.73 
1974 02  3.63  -9.41  -2.89 
1974 03  8.85  -2.97   2.94 
1974 04 12.54  -3.91   4.31 
1974 05 19.40    .-3   9.68 
1974 06 28.80   6.87  17.83 
1974 07 30.13   8.74  19.43 
1974 08 28.95   6.75  17.85 
1974 09 25.62   2.39  14.00 
1974 10 16.79  -2.14   7.32 
1974 11  8.96  -6.23   1.36 
1974 12  2.43 -10.20  -3.88 
1975 01  2.06 -10.77  -4.35 
1975 02  2.95  -8.04  -2.54 
1975 03  5.36  -5.70   -.16 
1975 04  7.42  -5.33   1.04 
1975 05 15.85  -1.16   7.34 
1975 06 21.76   3.60  12.68 
1975 07 30.32  10.66  20.49 
1975 08 27.46   6.85  17.15 
1975 09 24.82   3.08  13.95 
1975 10 14.10   -.25   6.92 
1975 11  7.32  -7.52    .-9 
1975 12  6.57  -7.20   -.31 
1976 01  5.11  -9.07  -1.97 
1976 02  5.94  -7.77   -.91 
1976 03  7.22  -8.52   -.65 
1976 04 12.54  -3.36   4.59 
1976 05 21.08   2.51  11.79 
1976 06 24.26 -99.99 -99.99 
1976 08 26.18   5.90  16.04 
1976 10 17.10  -3.02   7.04 
1976 11 13.12  -6.47   3.32 
1976 12  7.82 -11.76  -1.97 
1977 01  4.80 -12.47  -3.83 
1977 05 13.34   -.71   6.31 
1977 06 26.55   7.88  17.21 
1977 07 29.73   8.37  19.04 
1977 08 28.67   8.72  18.69 
1977 09 23.24   3.68  13.46 
1977 10 18.90  -2.05   8.42 
1977 11  9.16  -5.70   1.73 
1978 01 99.99  -7.67 -99.99 
1978 02  5.12  -6.25   -.56 
1978 03 11.46  -2.54   4.46 
1978 04 12.24  -2.07   5.08 
1978 05 16.62    .58   8.60 
1978 06 25.06   3.26  14.16 
1978 07 30.80   7.87  19.33 
1978 09 20.89   3.24  12.06 
1978 10 20.57   -.71   9.93 
1979 04 13.25 -99.99 -99.99 
1979 09 27.34   4.12  15.73 
1979 10 18.01    .24   9.12 
