1980 06 21.08   8.38  14.73 
1980 07 23.81  10.97  17.39 
1980 08 19.92   9.26  14.59 
1980 09 14.91   3.95   9.43 
1980 10  8.66  -1.33   3.66 
1980 11  -.27  -9.27  -4.77 
1980 12 12.33 -23.53 -17.93 
1981 01 -9.47 -20.03 -14.75 
1981 02 -6.18 -16.59 -11.38 
1981 03  1.85  -8.10  -3.12 
1981 04  8.33  -2.63   2.85 
1981 05 16.58   3.76  10.17 
1981 06 20.12   8.30  14.21 
1981 07 24.32  11.92  18.11 
1981 08 25.00  11.76  18.38 
1981 09 17.50   4.83  11.16 
1981 10  6.83  -1.23   2.80 
1981 11  3.23  -4.55   -.66 
1981 12 99.99 -16.70 -99.99 
1982 01 22.32 -32.90 -27.61 
1982 02 11.21 -22.72 -16.96 
1982 03 -5.25 -14.11  -9.68 
1982 04  7.90  -4.78   1.56 
1982 05 15.66   5.21  10.43 
1982 06 20.63   5.42  13.02 
1982 07 23.09  10.92  17.00 
1982 08 20.97   8.93  14.95 
1982 09 16.74   4.28  10.51 
1982 10  9.18    .-3   4.57 
1982 11 -5.34 -13.76  -9.55 
1982 12 -8.81 -17.20 -13.00 
1983 01 99.99 -19.59 -99.99 
1983 02 99.99 -17.04 -99.99 
1983 03 -3.98 -13.32  -8.64 
1983 04  5.16  -6.78   -.81 
1983 05 12.79    .61   6.70 
1983 06 20.85   9.13  14.99 
1983 07 23.79  12.98  18.38 
1983 08 25.97  12.19  19.08 
1983 09 14.98   4.19   9.59 
1983 10  9.13  -1.40   3.86 
1983 11 -1.60  -6.60  -4.10 
1983 12 19.98 -28.48 -24.23 
1984 01 12.48 -21.90 -17.18 
1984 02 -2.91 -12.70  -7.80 
1984 03 -4.41 -14.44  -9.42 
1984 04 10.97    .24   5.60 
1984 05 13.26   1.92   7.59 
1984 06 20.53   8.80  14.66 
1984 07 24.12  10.14  17.13 
1984 08 25.53  10.83  18.18 
1984 09 11.78   1.27   6.52 
1984 10  6.02  -3.21   1.40 
1984 11 -6.07 -14.40 -10.23 
1984 12 17.94 -28.47 -23.20 
1985 01 13.50 -26.19 -19.84 
1985 02 14.67 -24.69 -19.68 
1985 03 -1.85 -14.00  -7.92 
1985 04 99.99  -2.16 -99.99 
1985 05 16.96   4.06  10.51 
1985 06 15.06   5.52  10.29 
1985 07 99.99   8.50 -99.99 
1985 08 99.99   5.73 -99.99 
1985 09 10.67   1.79   6.23 
1985 10  7.10  -3.18   1.95 
1986 05 18.32   5.42  11.87 
