1991 01 -1.70  -7.70  -4.69 
1991 02 -1.80  -8.00  -4.90 
1991 03  7.00   -.40   3.30 
1991 04 16.20   5.80  11.00 
1991 05 19.70   7.90  13.80 
1991 06 27.00  13.10  20.04 
1991 07 31.60  16.20  23.90 
1991 08 32.50  15.50  24.00 
1991 09 26.90  10.80  18.85 
1991 10 17.10   6.80  11.95 
1991 11 11.90   1.80   6.85 
1991 12  -.40  -7.60  -4.00 
1992 01 -4.30 -11.60  -7.95 
1992 02 -2.40  -8.20  -5.30 
1992 03   .30  -7.10  -3.40 
1992 04 12.60   2.90   7.75 
1992 05 16.00   6.40  11.20 
1992 06 24.40  11.70  18.04 
1992 07 31.90  16.10  24.00 
1992 08 28.30  13.50  20.90 
1992 09 24.40  10.10  17.25 
1992 10 19.29   5.50  12.40 
1992 11 10.80   1.30   6.05 
1992 12  1.40  -4.00  -1.30 
1993 01 -1.40  -7.90  -4.65 
1993 02  1.00  -5.90  -2.45 
1993 03  6.80  -2.00   2.40 
1993 04 14.90   4.50   9.70 
1993 05 18.10   8.30  13.20 
1993 06 26.40  13.00  19.70 
1993 07 30.90  15.70  23.30 
1993 08 30.20  15.70  22.95 
1993 09 28.00  12.90  20.45 
1993 10 17.50   5.90  11.70 
1993 11  6.50   -.10   3.20 
1993 12  5.80  -1.40   2.20 
1994 01  1.90  -4.30  -1.20 
1994 02  4.40  -2.80    .80 
1994 03  8.89    .80   4.85 
1994 04 17.00   6.20  11.60 
1994 05 20.10   8.10  14.10 
1994 06 26.70  12.20  19.45 
1994 07 32.20  15.60  23.90 
1994 08 32.20  15.50  23.85 
1994 09 24.10   9.60  16.85 
1994 10 17.20   6.40  11.80 
1994 11 10.50   2.90   6.70 
1994 12  2.09  -5.10  -1.50 
1995 01  2.90  -4.69   -.89 
1995 02  5.50  -2.70   1.40 
1995 03 10.90    .60   5.75 
1995 04 14.40   4.40   9.39 
1995 05 19.40   8.10  13.75 
1995 06 24.20  11.40  17.79 
1995 07 32.59  16.29  24.45 
1995 08 33.70  16.00  24.85 
1995 09 26.40  11.10  18.75 
1995 10 18.40   5.30  11.85 
1995 11 11.70   1.60   6.65 
1995 12  3.40  -4.50   -.54 
1996 01 -1.70  -7.30  -4.50 
1996 02  4.00  -2.80    .60 
1996 03  6.20  -1.40   2.39 
1996 04 13.40   3.50   8.45 
1996 05 22.00  10.20  16.10 
1996 06 27.00  13.10  20.04 
1996 07 30.90  16.20  23.55 
1996 08 31.40  16.29  23.84 
1996 09 27.30  13.10  20.20 
1996 10 18.20   6.60  12.40 
1996 11 10.60    .50   5.55 
1996 12  7.10    . 0   3.55 
1997 01  3.70  -4.10   -.19 
1997 02  2.20  -6.90  -2.34 
1997 03  4.69  -2.90    .89 
1997 04 14.00   3.40   8.70 
1997 05 20.10   8.00  14.05 
1997 06 27.90  13.20  20.55 
1997 07 32.40  16.40  24.40 
1997 08 34.20  17.20  25.70 
1997 09 25.30  11.30  18.29 
1997 10 19.90   8.80  14.35 
1997 11  8.70   1.40   5.04 
1997 12  4.10  -1.90   1.09 
1998 01 -2.90  -9.20  -6.05 
1998 02  -.30  -7.20  -3.75 
1998 03  7.10   -.70   3.20 
1998 04 16.70   5.40  11.05 
1998 05 20.80   8.50  14.65 
1998 06 29.70  14.50  22.10 
1998 07 31.80  16.29  24.05 
1998 08 32.20  17.29  24.75 
1998 09 27.20  12.50  19.85 
1998 10 20.20   6.50  13.35 
1998 11 14.70   4.90   9.80 
1998 12 10.50   1.90   6.20 
1999 01  2.09  -5.10  -1.50 
1999 02  7.00  -1.90   2.55 
1999 03 10.50   -.60   4.94 
1999 04 16.40   4.90  10.65 
1999 05 24.10   9.89  17.00 
1999 06 29.50  14.80  22.15 
1999 07 30.60  15.70  23.15 
1999 08 32.40  17.70  25.05 
1999 09 26.90  12.20  19.54 
1999 10 20.29   8.50  14.40 
1999 11  8.60    .80   4.70 
1999 12  5.00  -2.90   1.04 
2000 01   .40  -5.90  -2.75 
2000 02   .80  -7.60  -3.40 
2000 03  9.10  -1.10   4.00 
2000 04 17.79   7.00  12.40 
2000 05 23.30  10.70  17.00 
2000 06 29.10  13.10  21.10 
2000 07 32.50  17.00  24.75 
2000 08 31.80  17.79  24.80 
2000 09 26.80  12.80  19.79 
2000 10 16.50   5.50  11.00 
2000 11  7.80    .70   4.25 
2000 12  2.60  -3.40   -.40 
