1973 01  4.69  -4.19    .25 
1973 02  6.30  -4.00   1.15 
1973 03 11.60  -2.30   4.65 
1973 04 19.29   5.20  12.25 
1973 05 22.50  10.30  16.40 
1973 06 26.40  16.10  21.25 
1973 07 31.80  22.30  27.05 
1973 08 31.60  21.90  26.75 
1973 09 25.10  14.30  19.70 
1973 10 18.40   5.50  11.95 
1973 11 10.80  -1.10   4.85 
1973 12  3.30  -8.00  -2.34 
1974 01  3.50  -9.50  -3.00 
1974 02  3.10  -7.40  -2.15 
1974 03  9.39  -1.80   3.79 
1974 04 18.00   4.90  11.45 
1974 05 22.90   9.89  16.40 
1974 06 25.70  13.70  19.70 
1974 07 26.60  19.90  23.25 
1974 08 30.20  20.70  25.45 
1974 09 25.10  12.20  18.65 
1974 10 18.20   5.60  11.90 
1974 11 10.90  -2.00   4.44 
1974 12  3.50  -6.10  -1.30 
1975 01  1.40  -7.10  -2.85 
1975 02  4.19  -5.80   -.80 
1975 03 10.50  -1.70   4.40 
1975 04 19.10   5.70  12.40 
1975 05 21.70  10.10  15.90 
1975 06 26.40  16.00  21.20 
1975 07 29.10  21.20  25.15 
1975 08 31.20  21.30  26.25 
1975 09 27.10  17.00  22.05 
1975 10 19.90   8.80  14.35 
1975 11 13.80   2.40   8.10 
1975 12  4.00  -6.40  -1.20 
1976 01  2.40  -9.70  -3.65 
1976 02  8.20  -2.30   2.94 
1976 03 10.80   -.90   4.95 
1976 04 17.50   4.40  10.95 
1976 05 22.40   9.20  15.79 
1976 06 26.00  15.30  20.65 
1976 07 27.60  18.60  23.10 
1976 08 29.30  20.80  25.05 
1976 09 25.10  12.30  18.70 
1976 10 19.60   6.30  12.95 
1976 11  9.89  -1.70   4.10 
1976 12  5.50  -4.90    .29 
1977 01  -.70 -11.50  -6.10 
1977 02  4.40  -9.80  -2.70 
1977 03 11.40   -.50   5.45 
1977 04 19.40   6.20  12.79 
1977 05 23.40  10.70  17.04 
1977 06 27.80  16.50  22.15 
1977 07 30.70  22.10  26.40 
1977 08 28.80  18.20  23.50 
1977 09 26.50  15.60  21.05 
1977 10 23.20   6.80  15.00 
1977 11 12.40   1.10   6.75 
1977 12  8.30  -3.40   2.45 
1978 01  3.40  -6.30  -1.45 
1978 02  4.10  -6.80  -1.35 
1978 03 11.00  -2.40   4.30 
1978 04 19.90   4.00  11.95 
1978 05 25.70   9.00  17.35 
1978 06 27.30  16.40  21.84 
1978 07 31.70  22.80  27.25 
1978 08 30.60  21.70  26.15 
1978 09 25.60  14.30  19.95 
1978 10 20.60   6.10  13.35 
1978 11 12.90   1.50   7.20 
1978 12  7.40  -4.30   1.55 
1979 01  6.40  -3.90   1.25 
1979 02  6.90  -3.70   1.60 
1979 03 12.40  -1.40   5.50 
1979 04 17.29   4.40  10.85 
1979 05 22.50   8.80  15.65 
1979 06 26.70  17.20  21.95 
1979 07 29.00  20.10  24.55 
1979 08 29.60  20.20  24.90 
1979 09 24.00  13.80  18.90 
1979 10 22.10   6.00  14.05 
1979 11 12.00  -1.30   5.35 
1979 12  7.10  -4.69   1.20 
1980 01  2.60  -8.10  -2.75 
1980 02  3.00  -8.39  -2.69 
1980 03 11.50  -1.30   5.10 
1980 04 17.00   3.50  10.25 
1980 05 23.20   9.10  16.15 
1980 06 27.10  16.79  21.95 
1980 07 27.00  19.20  23.10 
1980 08 25.90  18.50  22.20 
1980 09 24.60  12.00  18.29 
1980 10 18.50   5.90  12.20 
1980 11 15.10    .80   7.95 
1980 12  2.50  -8.00  -2.75 
1981 01  -.20 -13.00  -6.60 
1981 02  3.70  -6.40  -1.35 
1981 03 12.90  -1.30   5.80 
1981 04 19.00   4.40  11.70 
1981 05 23.20   9.00  16.10 
1981 06 27.50  15.30  21.40 
1981 07 30.30  22.00  26.15 
1981 08 28.80  19.40  24.09 
1981 09 25.10  13.00  19.04 
1981 10 18.60   5.80  12.20 
1981 11  9.10  -2.00   3.55 
1981 12  5.40  -6.80   -.70 
1982 01  2.60  -8.39  -2.90 
1982 02  6.40  -6.80   -.20 
1982 03 12.30  -1.20   5.55 
1982 04 18.50   3.90  11.20 
1982 05 25.20  11.00  18.10 
1982 06 28.50  15.10  21.80 
1982 07 30.20  18.90  24.55 
1982 08 29.70  20.90  25.30 
1982 09 25.70  12.20  18.95 
1982 10 22.30   6.70  14.50 
1982 11 13.40   2.40   7.89 
1982 12  5.90  -5.10    .40 
1983 01  3.80  -7.80  -2.00 
1983 02  3.80  -6.80  -1.50 
1983 03 12.00   -.20   5.90 
1983 04 20.10   5.60  12.85 
1983 05 24.70  10.60  17.65 
1983 06 29.20  15.20  22.20 
1983 07 28.60  20.00  24.30 
1983 08 30.90  21.30  26.09 
1983 09 26.70  16.90  21.80 
1983 10 20.29   7.50  13.90 
1983 11 12.20   -.60   5.80 
1983 12  5.00  -7.80  -1.40 
1984 01  1.10 -11.40  -5.14 
1984 02  3.30  -9.70  -3.19 
1984 03  8.89  -3.30   2.79 
1984 04 18.90   4.69  11.79 
1984 05 25.00  10.30  17.65 
1984 06 27.90  16.70  22.30 
1984 07 29.90  21.00  25.45 
1984 08 31.50  22.20  26.85 
1984 09 25.40  14.20  19.79 
1984 10 20.10   5.20  12.65 
1984 11 14.40    .60   7.50 
1984 12  5.20  -5.50   -.15 
1985 01  1.20 -11.30  -5.05 
1985 02  5.30  -4.10    .60 
1985 03 10.90  -1.10   4.89 
1985 04 19.50   4.00  11.75 
1985 05 24.50  11.50  18.00 
1985 06 26.90  16.10  21.50 
1985 07 30.10  21.00  25.55 
1985 08 31.20  21.70  26.45 
1985 09 25.20  16.40  20.80 
1985 10 19.60   8.39  14.00 
1985 11 10.70   1.50   6.10 
1985 12  2.90  -7.90  -2.50 
1986 01  1.80  -9.50  -3.85 
1986 02  2.90  -8.30  -2.70 
1986 03 11.60  -1.40   5.10 
1986 04 19.79   4.19  12.00 
1986 05 23.30  10.50  16.90 
1986 06 26.60  16.79  21.70 
1986 07 28.10  19.50  23.80 
1986 08 30.10  20.00  25.05 
1986 09 24.50  13.20  18.85 
1986 10 18.10   5.90  12.00 
1986 11 11.70  -1.20   5.25 
1986 12  7.70  -2.90   2.39 
1987 01  3.50  -6.90  -1.70 
1987 02  6.60  -4.60   1.00 
1987 03 10.90  -1.40   4.75 
1987 04 18.60   3.40  11.00 
1987 05 23.80  10.50  17.15 
1987 06 27.70  15.60  21.65 
1987 07 28.10  20.00  24.05 
1987 08 29.30  20.90  25.09 
1987 09 25.20  12.90  19.04 
1987 10 21.60   7.80  14.70 
1987 11 13.70    .30   7.00 
1987 12  7.60  -5.70    .95 
1988 01  3.90  -7.50  -1.80 
1988 02  5.50  -7.80  -1.15 
1988 03  9.80  -2.50   3.65 
1988 04 18.40   3.20  10.80 
1988 05 24.10  10.30  17.20 
1988 06 27.50  16.79  22.15 
1988 07 28.70  21.20  24.95 
1988 08 31.30  19.79  25.55 
1988 09 26.40  13.30  19.85 
1988 10 21.60   5.20  13.40 
1988 11 12.00  -3.00   4.50 
1988 12  6.00  -5.90    . 4 
1989 01  5.40  -4.40    .50 
1989 02  7.30  -4.00   1.65 
1989 03 11.60  -1.50   5.05 
1989 04 21.10   4.69  12.90 
1989 05 24.10  10.50  17.29 
1989 06 25.60  14.60  20.10 
1989 07 28.60  19.50  24.05 
1989 08 29.50  19.79  24.65 
1989 09 25.50  14.80  20.15 
1989 10 20.29   4.50  12.40 
1989 11 12.20   1.20   6.70 
1989 12  6.80  -4.69   1.05 
1990 01  2.40  -7.90  -2.75 
1990 02  6.80  -2.20   2.30 
1990 03 12.80   -.10   6.35 
1990 04 17.00   4.10  10.55 
1990 05 22.10  10.60  16.35 
1990 06 26.40  16.90  21.65 
1990 07 30.40  21.80  26.09 
1990 08 32.09  20.80  26.45 
1990 09 26.20  15.90  21.05 
1990 10 21.20   6.00  13.60 
1990 11 15.70   2.30   9.00 
1990 12  6.50  -5.60    .45 
1991 01  3.30  -7.70  -2.19 
1991 02  3.50  -7.30  -1.90 
1991 03 10.70  -1.20   4.75 
1991 04 19.60   2.90  11.25 
1991 05 23.20   9.20  16.20 
1991 06 27.40  16.90  22.15 
1991 07 27.80  20.60  24.20 
1991 08 28.50  19.00  23.75 
1991 09 25.00  14.70  19.85 
1991 10 19.60   4.00  11.80 
1991 11 12.80  -2.60   5.10 
1991 12  8.00  -4.10   1.95 
1992 01  4.90  -5.60   -.34 
1992 02  6.40  -6.70   -.14 
1992 03 12.70   -.10   6.30 
1992 04 18.79   3.40  11.10 
1992 05 22.90   8.89  15.90 
1992 06 27.10  13.80  20.45 
1992 07 31.40  20.40  25.90 
1992 08 29.60  20.40  25.00 
1992 09 25.10  14.10  19.60 
1992 10 19.79   6.20  13.00 
1992 11 13.00  -1.30   5.85 
1992 12  7.30  -4.40   1.45 
1993 01  3.30  -8.10  -2.40 
1993 02  7.50  -4.90   1.30 
1993 03 11.80  -2.30   4.75 
1993 04 18.70   2.90  10.80 
1993 05 24.30   9.70  17.00 
1993 06 27.10  16.29  21.70 
1993 07 27.60  18.70  23.15 
1993 08 26.60  17.90  22.25 
1993 09 26.30  12.80  19.54 
1993 10 19.60   3.90  11.75 
1993 11 13.40   2.40   7.89 
1993 12  6.10  -6.00    . 4 
