1981 04  5.47  -3.63    .91 
1981 05 13.08    .69   6.88 
1981 06 12.95   1.25   7.10 
1981 07 21.11   5.34  13.22 
1981 08 21.98   6.31  14.14 
1981 09 14.55   2.85   8.70 
1981 10  8.02  -1.10   3.46 
1981 11  1.68  -4.08  -1.20 
1981 12 -7.65 -14.19 -10.92 
1982 01 10.76 -19.61 -15.18 
1982 02 -4.89 -14.77  -9.83 
1982 03  3.02 -12.76  -4.87 
1982 04  4.78  -8.47  -1.84 
1982 05 11.27  -2.09   4.58 
1982 06 20.97   3.35  12.16 
1982 07 20.19   6.02  13.10 
1982 08 18.45   3.58  11.01 
1982 09 16.90   2.27   9.58 
1982 10  7.61  -1.00   3.30 
1982 11 -2.34  -9.62  -5.98 
1982 12 -6.24 -12.74  -9.49 
1983 01 -3.82 -10.27  -7.04 
1983 02   .32  -6.88  -3.28 
1983 03  3.82  -9.42  -2.80 
1983 04  9.58  -4.03   2.77 
1983 05 15.26    .69   7.97 
1983 06 14.65   4.82   9.73 
1983 07 17.42   5.21  11.31 
1983 08 17.79   3.94  10.86 
1983 09 12.50    .85   6.67 
1983 10  7.21  -2.15   2.53 
1983 11  -.43  -4.69  -2.56 
1983 12 13.19 -20.92 -17.05 
1984 01 -2.95  -9.89  -6.42 
1984 02  2.28  -7.76  -2.74 
1984 03  5.23  -5.44   -.10 
1984 04  7.23  -4.35   1.44 
1984 05  9.76  -1.68   4.04 
1984 06 14.78   1.80   8.29 
1984 07 18.65   3.44  11.04 
1984 08 16.74   4.69  10.71 
1984 09 11.58    .-2   5.78 
1984 10 99.99  -3.98 -99.99 
1984 11 -2.65  -9.12  -5.88 
1984 12 -8.26 -17.06 -12.66 
1985 01 -3.21  -9.60  -6.41 
1985 02 -2.05 -10.88  -6.46 
1985 03  2.73  -7.87  -2.57 
1985 04  6.13  -4.87    .63 
1985 05 13.68   -.68   6.50 
1985 06 14.98   1.27   8.12 
1985 07 21.85   4.84  13.34 
1985 08 18.29   3.92  11.10 
1985 09 14.17    .47   7.32 
1985 10  5.23  -2.68   1.27 
1985 11 -9.28 -18.92 -14.10 
1985 12 -6.16 -14.50 -10.33 
1986 01 -2.02  -8.21  -5.11 
1986 02 99.99 -16.62 -99.99 
1986 03  5.27  -5.03    .11 
1986 04  5.18  -4.37    .40 
1986 05 10.16  -1.71   4.22 
1986 06 16.90   2.08   9.49 
1986 07 18.27   5.44  11.85 
1986 08 21.29   4.37  12.83 
1986 09 13.13   1.37   7.25 
1986 10 11.61   1.21   6.41 
1986 11 -1.32  -8.13  -4.72 
1986 12 -4.61 -10.50  -7.55 
1987 01 -2.84  -9.97  -6.40 
1987 02  1.39  -7.27  -2.94 
1987 03  3.66  -6.89  -1.61 
1987 04  7.52  -3.47   2.02 
1987 05 11.81  -1.35   5.23 
1987 06 17.23   2.85  10.04 
1987 07 20.02   5.61  12.81 
1987 08 18.29   4.44  11.37 
1987 09 16.21   3.42   9.82 
1987 10  9.60  -1.81   3.90 
1987 11  2.67  -2.92   -.12 
1987 12 -3.82 -12.23  -8.02 
1988 01 -7.08 -14.58 -10.83 
1988 02  -.90 -12.29  -6.59 
1988 03  4.44  -6.66  -1.10 
1988 04  8.93  -5.02   1.95 
1988 05 11.81    .34   6.07 
1988 06 13.90   2.63   8.26 
1988 07 17.44   4.03  10.73 
1988 08 18.87   4.82  11.84 
1988 09 14.23   1.70   7.96 
