1981 01  7.60   -.20   3.70 
1981 02  9.10   -.60   4.25 
1981 03 16.60   6.50  11.55 
1981 04 20.40   9.70  15.04 
1981 05 27.60  15.30  21.45 
1981 06 34.40  19.79  27.10 
1981 07 38.00  24.20  31.10 
1981 08 36.50  21.60  29.05 
1981 09 31.10  16.00  23.55 
1981 10 21.60   7.80  14.70 
1981 11 15.60   4.19   9.89 
1981 12  8.80   -.70   4.05 
1982 01  4.30  -5.60   -.64 
1982 02  6.40  -4.00   1.20 
1982 03 13.20   1.80   7.50 
1982 04 27.80  12.30  20.04 
1982 05 31.90  17.79  24.84 
1982 06 35.30  21.00  28.15 
1982 07 38.40  24.10  31.25 
1982 08 35.00  21.20  28.10 
1982 09 29.50  13.50  21.50 
1982 10 20.20   7.90  14.05 
1982 11  7.80    .20   4.00 
1982 12  7.50  -3.00   2.25 
1983 01  7.40  -1.80   2.80 
1983 02 12.80    .90   6.85 
1983 03 14.70   1.60   8.14 
1983 04 24.60  12.10  18.35 
1983 05 31.50  17.50  24.50 
1983 06 36.30  22.10  29.20 
1983 07 41.50  27.30  34.40 
1983 08 37.70  23.70  30.70 
1983 09 31.00  16.70  23.85 
1983 10 22.20   7.50  14.85 
1983 11 15.50   4.40   9.95 
1983 12  7.60  -1.30   3.15 
1984 01  4.10  -4.60   -.25 
1984 02  -.50 -11.40  -5.95 
1984 03 11.30   2.09   6.70 
1984 04 24.40  11.40  17.90 
1984 05 28.80  15.70  22.25 
1984 06 35.80  21.80  28.80 
1984 07 41.80  26.40  34.09 
1984 08 38.70  24.90  31.80 
1984 09 30.80  15.00  22.90 
1984 10 21.70   8.60  15.15 
1984 11 13.10   3.60   8.35 
1984 12  -.30  -9.89  -5.10 
1985 01  1.30  -5.50  -2.09 
1985 02 11.00    .90   5.95 
1985 03 11.50    .20   5.85 
1985 04 26.80  11.60  19.20 
1985 05 32.00  16.60  24.30 
1985 06 38.40  23.30  30.85 
1985 07 38.50  24.60  31.55 
1985 08 35.30  21.00  28.15 
1985 09 31.70  15.40  23.55 
1985 10 20.40   6.60  13.50 
1985 11 14.10   1.70   7.90 
1985 12  6.40   -.60   2.90 
1986 01  7.10   -.20   3.45 
1986 02  9.50  -1.50   4.00 
1986 03 10.70  -1.40   4.65 
1986 04 24.80  11.20  18.00 
1986 05 31.70  16.90  24.30 
1986 06 36.30  22.00  29.15 
1986 07 39.70  25.20  32.45 
1986 08 36.90  21.70  29.30 
1986 09 32.80  16.70  24.75 
1986 10 22.70   9.80  16.25 
1986 11 12.20   1.30   6.75 
1986 12  6.80    .10   3.45 
1987 01  9.20   -.40   4.40 
1987 02 10.00   -.90   4.55 
1987 03 12.30   4.10   8.20 
1987 04 20.90   8.50  14.70 
1987 05 33.70  18.70  26.20 
1987 06 37.20  22.40  29.80 
1987 07 37.59  24.20  30.90 
1987 08 37.90  24.10  31.00 
1987 09 30.10  15.20  22.65 
1987 10 16.50   4.40  10.45 
1987 11 11.90   2.80   7.35 
1987 12  9.10    .50   4.80 
1988 01  5.20  -1.40   1.89 
1988 02  2.90  -5.00  -1.04 
1988 03 14.70   4.30   9.50 
1988 04 25.60  12.40  19.00 
1988 05 29.20  16.00  22.60 
1988 06 37.90  23.20  30.55 
1988 07 38.90  24.80  31.85 
1988 08 35.70  21.90  28.80 
1988 09 31.10  16.10  23.60 
1988 10 23.00   8.20  15.60 
1988 11 15.50   5.00  10.25 
1988 12 11.80   1.70   6.75 
1989 01  1.80  -4.80  -1.50 
1989 02  7.30  -2.40   2.45 
1989 03 17.79   4.50  11.15 
1989 04 23.50   8.80  16.15 
1989 05 30.00  14.70  22.35 
1989 06 38.09  22.60  30.34 
1989 07 41.00  26.20  33.59 
1989 08 38.80  22.70  30.75 
1989 09 30.90  15.00  22.95 
1989 10 24.70  10.20  17.45 
1989 11 14.70   1.70   8.20 
1989 12  7.90   2.70   5.30 
1990 01  4.10  -3.10    .50 
1990 02  9.60    .40   5.00 
1990 03 17.29   4.80  11.04 
1990 04 22.70  10.70  16.70 
1990 05 31.20  16.29  23.75 
1990 06 38.70  23.50  31.10 
1990 07 39.00  25.20  32.09 
1990 08 37.09  23.70  30.40 
1990 09 34.40  17.79  26.10 
1990 10 21.20   8.50  14.85 
1990 11 16.70   5.20  10.95 
1990 12  5.00  -3.60    .70 
