1974 11  3.52  -4.42   -.45 
1975 09 14.67   7.49  11.08 
1976 08 22.83 -99.99 -99.99 
1976 09 16.50 -99.99 -99.99 
1976 10  9.05    .74   4.89 
1976 11  1.26  -5.05  -1.89 
1976 12 99.99 -17.07 -99.99 
1977 01 -6.57 -18.46 -12.52 
1977 03  3.01  -5.89  -1.44 
1977 04 99.99  -2.40 -99.99 
1977 05 16.17   3.17   9.67 
1977 06 18.20   8.96  13.58 
1977 08 22.63   9.38  16.00 
1977 09 15.82   4.80  10.31 
1977 10 10.60   1.94   6.27 
1978 02 -3.68 -14.89  -9.28 
1978 03  -.64 -99.99 -99.99 
1978 04  5.27  -4.94    .16 
1978 06 21.05  10.20  15.62 
1978 07 23.42  12.97  18.19 
1978 08 22.98  10.44  16.70 
1978 09 15.81   3.73   9.77 
1978 10  9.70   1.38   5.54 
1978 11  2.56  -6.67  -2.05 
1978 12 99.99 -12.83 -99.99 
1979 01 -3.67 -12.61  -8.13 
1979 02 -7.05 -14.95 -11.00 
1979 03  3.24  -6.28  -1.52 
1979 04  8.01   -.92   3.54 
1979 05 15.20   5.63  10.41 
1979 06 21.90   9.88  15.89 
1979 07 24.35  12.42  18.38 
1979 09 17.53   5.20  11.36 
1979 10 11.51   2.14   6.82 
1979 11  5.40  -2.96   1.22 
1980 01 -5.06 -99.99 -99.99 
1980 02 -5.50 -18.87 -12.19 
1980 03   .56 -11.55  -5.49 
1980 04  8.82  -2.52   3.15 
1980 05 14.02    .13   7.07 
1980 07 21.71  12.94  17.32 
1980 08 99.99  12.98 -99.99 
1980 09 15.46   5.87  10.66 
1980 10  9.25    .72   4.98 
1980 11  4.00  -2.79    .60 
1981 01 -6.54 -19.52 -13.03 
1981 02  1.55  -9.05  -3.75 
1981 03  3.04  -4.63   -.79 
1981 06 20.20   8.47  14.34 
1981 07 23.81  11.47  17.64 
1981 08 22.60 -99.99 -99.99 
1981 09 17.35   6.75  12.05 
1981 10 10.41    .79   5.60 
1981 11  3.70  -2.98    .36 
1981 12  1.43  -5.77  -2.17 
1982 01 -8.46 -19.95 -14.20 
1982 02 -6.50 -17.84 -12.17 
1982 03   .74 -11.03  -5.14 
1982 04  5.75  -5.03    .35 
1982 05 14.77    .93   7.85 
1982 06 18.95   6.98  12.96 
1982 07 23.56  11.47  17.51 
1982 08 19.46   8.21  13.84 
1982 09 17.04   6.03  11.54 
1982 10 12.98    .62   6.80 
1982 11  5.02  -4.40    .30 
1982 12 99.99 -12.39 -99.99 
1983 01 99.99 -15.25 -99.99 
1983 02 -2.89 -14.09  -8.49 
1983 03  1.52  -6.83  -2.65 
1983 04  7.67  -1.39   3.14 
1983 05 12.95   3.74   8.34 
1983 06 22.18   8.92  15.55 
1983 07 23.12  11.98  17.54 
1983 08 21.95  11.48  16.71 
1983 09 19.28   7.71  13.49 
1983 10 11.21   1.11   6.16 
1983 11  4.83  -2.83   1.00 
1984 01 -8.29 -20.00 -14.14 
1984 02 -1.58 -12.36  -6.97 
1984 04  7.57  -3.35   2.11 
1984 05 15.27   2.28   8.77 
1984 06 19.50   7.95  13.72 
1984 07 23.94  12.57  18.25 
1984 08 24.43  13.26  18.84 
1984 09 17.07   5.54  11.30 
1984 10 11.52   -.12   5.70 
1984 11  4.78  -3.80    .49 
