1983 01 -6.04 -15.02 -10.53 
1983 02 -6.79 -18.59 -12.69 
1983 03 -1.70 -12.69  -7.19 
1983 04  5.05  -2.56   1.24 
1983 07 19.17   9.18  14.18 
1983 08 15.48   5.43  10.45 
1983 09 11.14   4.66   7.90 
1983 10  3.11  -3.15    .-2 
1983 11 -8.52 -19.75 -14.13 
1984 01 10.74 -19.48 -15.11 
1984 02 -3.49 -10.81  -7.15 
1984 03 -3.56 -17.26 -10.41 
1984 04  4.84  -5.81   -.48 
1984 07 17.06   9.96  13.51 
1984 08 15.68   5.25  10.46 
1984 09  9.89    .99   5.44 
1984 10  3.05  -1.37    .84 
1984 11 -4.04 -11.98  -8.01 
1985 01 18.65 -28.15 -23.40 
1985 02 99.99 -28.80 -99.99 
1985 03 -2.42 -11.12  -6.77 
1985 04  1.86  -9.63  -3.88 
1985 07 19.79   7.92  13.85 
1985 08 16.70   8.18  12.44 
1985 09 10.44   2.44   6.43 
1985 10  5.04  -2.06   1.49 
1985 11 -4.85 -12.64  -8.74 
1986 01 14.46 -22.91 -18.68 
1986 02 -8.80 -20.79 -14.79 
1986 03  -.70  -6.58  -3.64 
1986 04  2.02  -4.14  -1.05 
1986 07 19.35   8.47  13.91 
1986 08 13.45   5.24   9.34 
1986 09  7.67   -.75   3.46 
1986 10  5.05  -1.19   1.93 
1986 11   .24  -5.62  -2.69 
1987 01 17.73 -26.27 -22.00 
1987 02 10.18 -20.75 -15.46 
1987 03 -3.01 -14.59  -8.80 
1987 04  3.10  -5.97  -1.43 
1987 07 18.04   6.87  12.45 
1987 08 14.30   4.90   9.60 
1987 09  9.50   3.06   6.28 
1987 10  7.84   3.71   5.77 
1987 11 -4.81 -10.52  -7.66 
1988 01 -7.54 -16.70 -12.12 
1988 02 99.99 -16.14 -99.99 
1988 03 -3.62 -10.25  -6.93 
1988 04  2.61 -99.99 -99.99 
1988 07 21.75  11.29  16.52 
1988 08 15.84   7.79  11.81 
1988 09 11.97   4.10   8.03 
1988 10  4.07  -4.36   -.14 
1988 11 -6.11 -15.67 -10.89 
1989 01 -3.95 -13.00  -8.47 
1989 02 -3.08 -14.17  -8.62 
1989 03   .45  -5.63  -2.59 
1989 04  6.36  -2.90   1.73 
1989 07 18.75   8.55  13.65 
1989 08 17.51   6.77  12.14 
1989 09 11.96   2.91   7.43 
1989 10  2.34  -3.54   -.59 
1989 11 -1.98  -7.59  -4.78 
1990 01 11.50 -20.37 -15.94 
1990 02   .58  -5.50  -2.45 
1990 03  -.33 -11.08  -5.70 
1990 04  5.97  -4.67    .64 
1990 07 18.42   9.96  14.19 
1990 08 17.15   8.35  12.75 
1990 09  9.81   1.47   5.64 
1990 10  3.97  -2.69    .64 
1990 11 -5.94 -14.09 -10.01 
1991 01 -6.69 -15.88 -11.28 
1991 02 11.03 -22.84 -16.93 
1991 03 -2.02 -13.58  -7.80 
1991 04  4.30  -4.88   -.28 
1991 06 14.87   6.63  10.75 
1991 07 19.33  10.54  14.93 
1991 08 17.67   8.93  13.30 
1991 09  8.68    .73   4.71 
1991 10  3.70  -1.77    .96 
1991 11  -.22  -6.21  -3.21 
1991 12 -2.89 -12.02  -7.45 
1992 01 -3.22 -12.84  -8.03 
1992 02 -2.57 -11.26  -6.91 
1992 03   .31  -7.01  -3.35 
1992 04   .17  -8.32  -4.07 
1992 05 13.25   1.66   7.45 
