1983 11  5.00 -13.10  -4.05 
1983 12  2.70 -16.50  -6.90 
1984 01  2.30 -20.50  -9.10 
1984 02  3.00 -19.00  -8.00 
1984 03  3.00 -16.50  -6.75 
1984 04  9.60 -12.20  -1.29 
1984 05 15.50  -6.50   4.50 
1984 06 17.20   1.00   9.10 
1984 11  8.00 -11.00  -1.50 
1984 12  4.00 -16.40  -6.20 
1985 01  -.50 -23.50 -12.00 
1985 02  3.40 -25.00 -10.80 
1985 03  1.70 -16.50  -7.40 
1985 04  2.60 -15.50  -6.45 
1985 11  1.60 -16.60  -7.50 
1985 12  3.20 -18.50  -7.65 
1986 01 -1.20 -22.00 -11.60 
1986 02 -1.00 -22.50 -11.75 
1986 03   .10  -9.00  -4.44 
1986 04  4.80 -17.20  -6.20 
1986 11  5.00  -8.10  -1.55 
1986 12  4.50 -18.10  -6.80 
1987 01  2.40 -29.40 -13.50 
1987 02   . 0 -16.60  -8.30 
1987 03  -.50 -18.00  -9.25 
1987 04  9.50  -8.39    .55 
1987 11  5.00 -10.70  -2.85 
1987 12  3.60 -14.10  -5.25 
1988 01  2.40 -12.20  -4.89 
1988 02  1.30 -19.40  -9.05 
1988 03  -.40 -19.10  -9.75 
1988 04  5.80 -13.10  -3.65 
1988 11  4.69 -15.70  -5.50 
1988 12  3.70 -18.60  -7.45 
1989 01  5.30  -8.70  -1.69 
1989 02  3.00 -13.50  -5.25 
1989 03  4.80 -10.80  -3.00 
1989 04  8.39 -12.00  -1.80 
1989 11  5.40 -13.20  -3.90 
1989 12  3.00 -18.10  -7.55 
1990 01  3.10 -16.29  -6.59 
1990 02  4.50 -12.20  -3.85 
1990 03  8.30 -12.10  -1.90 
1990 04  7.60 -13.40  -2.90 
1990 11  7.00 -14.50  -3.75 
1990 12  4.60 -11.80  -3.60 
1991 01  1.60 -14.30  -6.35 
1991 02  1.30 -19.40  -9.05 
1991 03  5.90 -11.10  -2.60 
1991 04  5.80 -12.90  -3.54 
1991 11  5.20 -13.40  -4.10 
1991 12  3.50 -14.20  -5.35 
1992 01  7.40 -11.10  -1.85 
1992 02  3.20 -15.00  -5.90 
1992 03  3.70 -16.70  -6.50 
1992 04  5.70 -13.60  -3.95 
1992 11  5.20 -12.80  -3.80 
1992 12  2.90 -19.29  -8.20 
1993 01  3.60 -16.50  -6.45 
1993 02  4.00 -11.70  -3.85 
1993 03  3.80 -16.60  -6.40 
1993 04 13.00 -11.60    .69 
1993 11  2.60 -13.40  -5.39 
1993 12  4.19 -16.20  -6.00 
1994 01  2.70 -15.90  -6.60 
1994 02 -4.19 -23.60 -13.90 
1994 03  2.40 -19.29  -8.45 
1994 04  6.10  -7.70   -.79 
1994 11  5.60 -12.80  -3.60 
1994 12  2.80 -13.60  -5.40 
1995 01  2.00 -16.29  -7.14 
1995 02  1.90 -16.50  -7.30 
1995 03  1.90 -15.40  -6.75 
1995 04  9.80 -10.80   -.50 
1995 11 10.20 -13.20  -1.50 
1995 12  8.30 -19.20  -5.45 
