1972 12 -3.37 -13.95  -8.66 
1973 01  2.56  -9.25  -3.34 
1973 02  3.11  -9.78  -3.33 
1973 03  9.68  -4.00   2.84 
1973 04 10.34  -1.68   4.33 
1973 05 19.79   5.07  12.43 
1973 06 22.82   9.60  16.21 
1973 07 28.05  11.18  19.61 
1973 08 27.13  12.01  19.57 
1973 09 19.52   5.53  12.52 
1973 10 14.46   2.33   8.39 
1973 11   .46 -10.01  -4.77 
1973 12  1.99  -9.21  -3.61 
1974 01 -1.34 -16.11  -8.72 
1974 02  4.48  -7.36  -1.43 
1974 03  5.05  -7.77  -1.35 
1974 04 14.35   1.16   7.76 
1974 05 14.69   3.58   9.13 
1974 06 24.79  10.21  17.50 
1974 07 27.04  12.84  19.94 
1974 08 22.29   9.54  15.91 
1974 09 20.12   4.39  12.25 
1974 10 17.40   2.49   9.94 
1974 11  8.16  -3.82   2.17 
1974 12  5.70  -5.01    .34 
1975 01   .55 -11.08  -5.26 
1975 02 -4.82 -16.26 -10.54 
1975 03   .48  -9.78  -4.65 
1975 04  4.32  -5.90   -.79 
1975 05 15.65   3.62   9.63 
1975 06 20.11   8.28  14.19 
1975 07 27.55  14.03  20.79 
1975 08 22.57   9.25  15.91 
1975 09 20.16   5.32  12.74 
1975 10 12.25    .97   6.61 
1975 11  4.37  -4.88   -.25 
1975 12  4.13  -8.96  -2.41 
1976 01  2.49  -9.39  -3.45 
1976 02  5.22  -5.70   -.24 
1976 03  5.00  -6.95   -.97 
1976 04 14.44    .19   7.31 
1976 05 21.19   6.46  13.82 
1976 06 19.61   7.86  13.73 
1976 07 27.23  12.36  19.79 
1976 08 25.83  11.63  18.73 
1976 09 24.01   7.66  15.83 
1976 10 13.84   -.30   6.77 
1976 11  7.52  -5.61    .95 
1976 12  4.61  -6.98  -1.18 
1977 01 -2.18 -14.49  -8.33 
1977 02  8.46  -2.36   3.04 
1977 03  7.07  -5.56    .75 
1977 04 16.79   2.14   9.46 
1977 05 17.95   5.23  11.59 
1977 06 24.71  10.61  17.66 
1977 07 25.71  11.42  18.56 
1977 08 22.53   9.02  15.77 
1977 09 18.18   6.41  12.29 
1977 10 15.20 -99.99 -99.99 
1977 11  3.47  -8.30  -2.41 
1977 12 -4.21 -14.86  -9.53 
1978 01 -9.39 -19.87 -14.63 
1978 02 -6.19 -14.84 -10.51 
1978 03  5.39  -6.59   -.60 
1978 04 11.37 -99.99 -99.99 
1978 05 16.91   5.88  11.39 
1978 06 23.72   9.85  16.78 
1978 07 25.49  11.99  18.74 
1978 08 23.68 -99.99 -99.99 
1978 09 21.96   7.80  14.87 
1978 10 16.12   1.56   8.84 
1981 05 18.59   5.78  12.18 
1981 06 20.29   7.96  14.12 
1981 07 99.99  11.14 -99.99 
1981 08 29.11  12.20  20.65 
1981 09 21.83 -99.99 -99.99 
1981 10 13.77 -99.99 -99.99 
1981 11 11.39  -2.44   4.47 
1981 12   .85 -11.03  -5.08 
1982 03  2.02  -7.62  -2.80 
1982 04  9.29  -2.63   3.33 
1982 05 15.89   2.63   9.26 
1982 06 22.57   8.84  15.70 
1982 07 25.35  10.78  18.06 
1982 08 99.99   9.18 -99.99 
1982 09 99.99   3.19 -99.99 
1982 10 13.45   -.20   6.62 
1982 11  5.53  -9.85  -2.16 
1982 12  6.77  -9.78  -1.50 
1983 01  6.33  -7.35   -.51 
1983 02  7.34  -5.39    .97 
1983 03  7.09  -4.44   1.32 
1983 04 13.54  -1.28   6.13 
1983 05 17.28   3.12  10.20 
1983 06 23.41   8.28  15.84 
1985 03  6.70  -5.93    .38 
1985 07 30.10   9.38  19.74 
1985 08 23.32   6.84  15.08 
1985 09 13.80   2.42   8.11 
1985 10 14.10  -2.53   5.78 
1985 11 99.99 -17.94 -99.99 
1985 12  2.48 -10.37  -3.94 
1986 01 99.99  -5.60 -99.99 
1986 02 -1.80 -16.90  -9.34 
1986 03 10.36  -1.84   4.25 
1986 04 11.97  -2.49   4.74 
1986 05 17.94   3.30  10.62 
1986 06 26.01   6.79  16.40 
1986 07 25.09   8.66  16.87 
1986 08 27.21   8.30  17.75 
1986 09 14.35   3.31   8.83 
1986 10 16.86   -.21   8.32 
1986 11 99.99 -10.36 -99.99 
1986 12  5.76  -8.39  -1.31 
1987 01  5.31 -99.99 -99.99 
1987 02  7.04  -8.74   -.84 
1987 03  6.27  -5.13    .56 
1987 04 18.01    .15   9.08 
1987 05 21.20 -99.99 -99.99 
1987 06 25.83   8.68  17.25 
1987 07 25.52   9.82  17.67 
1987 08 22.67   7.14  14.90 
