1980 10 10.90  -3.08   3.91 
1980 11  3.20  -7.77  -2.28 
1980 12 -4.79 -13.47  -9.13 
1981 01  2.18  -8.95  -3.38 
1981 02  2.23  -9.70  -3.73 
1981 03  5.97  -6.44   -.23 
1981 04  6.95  -5.40    .77 
1981 05 12.39   -.23   6.08 
1981 06 12.67    .40   6.53 
1981 07 19.37   2.71  11.04 
1981 08 21.97   2.32  12.14 
1981 09 15.17    .33   7.75 
1981 10  9.13  -5.82   1.65 
1981 11  3.25  -7.78  -2.26 
1981 12 -5.21 -18.20 -11.70 
1982 01 -8.16 -19.40 -13.78 
1982 02 -2.98 -17.41 -10.19 
1982 03  1.50 -16.15  -7.32 
1982 04  3.60 -10.68  -3.54 
1982 05 11.32  -2.23   4.54 
1982 06 20.53   1.82  11.17 
1982 07 18.74   3.48  11.11 
1982 08 17.56   1.45   9.50 
1982 09 16.18    .70   8.44 
1982 10  9.00  -3.48   2.76 
1982 11  -.83 -12.47  -6.65 
1982 12 -1.85 -14.95  -8.39 
1983 01  -.94 -12.68  -6.81 
1983 02  1.62 -11.25  -4.81 
1983 03  4.00  -9.68  -2.84 
1983 04  9.83  -5.08   2.37 
1983 05 15.65  -1.52   7.06 
1983 06 14.18   2.73   8.45 
1983 07 16.06   2.68   9.37 
1983 08 18.98    .63   9.80 
1983 09 12.52  -2.34   5.08 
1983 10  7.90  -5.76   1.06 
1983 11  1.10  -7.87  -3.38 
1983 12 -9.18 -24.05 -16.61 
1984 01  -.58 -12.66  -6.62 
1984 02  2.90  -9.88  -3.49 
1984 03  5.87  -6.10   -.11 
1984 04  6.22  -4.58    .81 
1984 05  8.89  -2.29   3.30 
1984 06 14.37    .77   7.57 
1984 07 18.94    .29   9.61 
1984 08 17.54    .34   8.94 
1984 09 11.82  -2.47   4.67 
1984 10  4.67  -6.31   -.81 
1984 11 -1.23 -14.65  -7.93 
1984 12 -6.50 -20.63 -13.56 
1985 01  1.10 -13.08  -5.99 
1985 02 -1.96 -14.36  -8.16 
1985 03  2.08 -11.53  -4.72 
1985 04  6.37  -6.48    .-5 
1985 05 14.15  -1.66   6.24 
1985 06 15.67   -.17   7.75 
1985 07 22.26   1.21  11.73 
1985 08 18.50    .18   9.34 
1985 09 13.77  -2.67   5.55 
1985 10  5.60  -5.42    . 8 
1985 11 -8.78 -22.53 -15.65 
1985 12 -1.16 -14.10  -7.63 
1986 01   .-2 -11.94  -5.98 
1986 02 -3.07 -19.73 -11.40 
1986 03  4.79  -6.98  -1.09 
1986 04  4.75  -5.87   -.55 
1986 05 11.26  -1.44   4.91 
1986 06 16.65    .20   8.42 
1986 07 16.89   1.65   9.26 
1986 08 21.77    .19  10.98 
1986 09 12.80  -1.80   5.50 
1986 10 12.68  -2.81   4.93 
1986 11   .26 -10.30  -5.02 
1986 12 -2.33 -16.00  -9.17 
1987 01  -.92 -13.68  -7.30 
1987 02  1.77 -11.14  -4.68 
1987 03  5.31  -8.13  -1.41 
1987 04  8.07  -4.35   1.85 
1987 05 13.74  -2.71   5.51 
1987 06 18.32   -.72   8.80 
1987 07 19.84   2.23  11.03 
1987 08 17.84    .84   9.34 
1987 09 18.20  -1.13   8.53 
1987 10 12.42  -7.95   2.23 
1987 11  4.03 -99.99 -99.99 
1987 12 -2.19 -14.23  -8.21 
1988 01 -2.05 -17.66  -9.85 
1988 02  1.14 -12.98  -5.91 
1988 03  4.37  -8.31  -1.97 
1988 04 10.25  -5.25   2.50 
1988 05 99.99  -3.60 -99.99 
1988 06 15.47    .77   8.12 
1988 07 18.42   1.11   9.76 
