1981 10  8.62  -1.02   3.80 
1981 11  5.48  -4.69    .39 
1982 01 18.18 -31.58 -24.88 
1982 02 -8.96 -22.12 -15.54 
1982 03 -4.31 -13.83  -9.07 
1982 04  6.84  -4.89    .97 
1982 05 99.99   4.57 -99.99 
1982 06 22.45   9.31  15.88 
1982 08 24.32 -99.99 -99.99 
1982 09 18.12   5.40  11.76 
1982 11 -1.29 -13.34  -7.31 
1982 12 99.99 -16.81 -99.99 
1983 01 -7.05 -16.87 -11.96 
1983 02 -5.29 -14.25  -9.77 
1983 04  7.45 -99.99 -99.99 
1983 05 15.32   2.87   9.09 
1983 06 22.77   8.68  15.72 
1983 08 29.40  13.60  21.50 
1983 09 15.88   5.04  10.46 
1983 10 12.77  -1.03   5.87 
1983 11  -.50  -6.14  -3.32 
1983 12 17.50 -28.53 -23.01 
1984 02   .52 -10.34  -4.91 
1984 03  -.89 -99.99 -99.99 
1984 04 99.99    .27 -99.99 
1984 05 17.73   2.94  10.33 
1984 06 23.37   9.50  16.43 
1984 07 29.13  12.64  20.88 
1984 08 28.92  12.97  20.94 
1984 11 -2.13 -11.90  -7.01 
1985 03  1.84 -99.99 -99.99 
1985 04 13.20    .29   6.74 
1985 05 20.79   6.32  13.55 
1985 06 99.99   6.59 -99.99 
1985 07 99.99  10.93 -99.99 
1985 08 22.27   9.79  16.03 
1985 09 99.99   2.76 -99.99 
1985 10 99.99  -1.32 -99.99 
1985 11 99.99 -18.77 -99.99 
1986 02 99.99 -18.29 -99.99 
1986 03  5.36  -4.92    .21 
1986 04 11.24 -99.99 -99.99 
1986 05 21.26 -99.99 -99.99 
1986 06 25.02 -99.99 -99.99 
1986 07 99.99  11.48 -99.99 
1986 08 26.03   9.89  17.96 
1986 09 99.99   5.02 -99.99 
1986 10 99.99    . 0 -99.99 
1986 11 -3.43 -12.42  -7.92 
1986 12 -3.64 -12.71  -8.17 
1987 01 -4.12 -14.73  -9.42 
1987 02 -2.61 -10.77  -6.69 
1987 03  2.54  -6.54  -2.00 
1987 04 16.70   1.19   8.95 
1987 05 22.28   7.59  14.93 
1987 06 25.67  11.14  18.40 
1987 07 25.50  11.61  18.55 
1987 08 22.97   9.85  16.41 
1987 09 21.82   6.52  14.17 
1987 10 10.98  -2.32   4.33 
1987 11  6.75  -5.84    .45 
1987 12 -2.13 -11.02  -6.57 
1988 01 11.81 -24.04 -17.92 
1988 02 -6.55 -19.50 -13.02 
1988 03  2.63  -8.10  -2.73 
1988 04 12.63  -2.24   5.19 
1988 05 21.93   7.21  14.57 
1988 06 29.48  14.47  21.97 
1988 07 28.57  12.45  20.51 
1988 08 25.23  10.94  18.08 
1988 09 17.90   4.46  11.18 
1988 10 12.89  -2.71   5.09 
1988 11  -.83  -9.20  -5.01 
1988 12 -6.98 -16.12 -11.55 
1989 01 -8.83 -19.06 -13.94 
1989 02 13.80 -24.60 -19.20 
1989 03 -5.19 -15.55 -10.37 
1989 04 11.62  -2.47   4.57 
1989 05 19.74   4.90  12.32 
1989 06 23.07   8.89  15.98 
1989 07 29.03  13.87  21.45 
1989 08 25.44  12.46  18.95 
1989 09 18.70   4.21  11.46 
1989 10 11.39  -1.95   4.72 
1989 11   . 0 -11.10  -5.55 
1989 12 10.00 -21.72 -15.86 
1990 01 -4.61 -15.77 -10.19 
1990 02 -4.96 -18.61 -11.78 
1990 03  2.25  -6.47  -2.10 
1990 04 10.81  -2.58   4.11 
1990 05 17.65   4.15  10.90 
1990 06 23.70   9.03  16.36 
1990 07 23.90  11.19  17.54 
1990 08 24.69  11.34  18.01 
1990 12 12.62 -22.35 -17.48 
1991 01 12.71 -21.89 -17.29 
1991 02 -1.76 -10.84  -6.30 
1991 03 99.99 -11.87 -99.99 
1991 04 13.28    .22   6.75 
1991 05 17.65   5.94  11.79 
1991 06 23.40  11.25  17.32 
1991 07 25.10  12.39  18.74 
1991 08 27.19  13.02  20.10 
1991 09 18.16   5.17  11.66 
1991 11 -1.78 -11.30  -6.54 
1991 12 -6.13 -15.06 -10.59 
1992 01 -4.85 -13.78  -9.31 
1992 02 -4.02 -13.05  -8.53 
1992 03  4.40  -5.32   -.46 
1992 04 10.75  -2.15   4.30 
1992 05 19.15   4.00  11.57 
1992 06 22.21   8.85  15.53 
1992 07 22.42   9.47  15.94 
1992 08 23.81   8.45  16.12 
1992 09 17.43   4.02  10.72 
1992 10 11.78  -1.31   5.23 
1992 11  -.60  -6.15  -3.37 
1992 12 12.13 -21.50 -16.81 
1993 02 -8.32 -18.20 -13.26 
1993 03  2.31  -7.40  -2.54 
1993 04 11.03  -1.83   4.60 
1993 05 19.50   4.61  12.05 
1993 06 19.76   7.50  13.63 
1993 07 21.57   9.77  15.67 
1993 08 22.60  10.16  16.38 
1993 09 16.67   3.43  10.05 
1993 10 10.50  -2.69   3.90 
1993 11 -3.41 -11.45  -7.43 
1993 12 -5.48 -14.05  -9.76 
