1978 11 99.99   5.20 -99.99 
1979 01 99.99   1.50 -99.99 
1979 05 99.99  17.29 -99.99 
1979 09 99.99  24.20 -99.99 
1980 02 99.99  12.30 -99.99 
1980 06 99.99  20.20 -99.99 
1980 07 99.99  26.30 -99.99 
1980 10 99.99  18.40 -99.99 
1980 11 99.99  12.30 -99.99 
1980 12 99.99  10.10 -99.99 
1981 03 99.99  10.80 -99.99 
1981 04 99.99  14.00 -99.99 
1981 05 99.99  16.90 -99.99 
1981 06 99.99  23.30 -99.99 
1981 07 99.99  26.10 -99.99 
1982 02 20.60  11.60  16.10 
1982 03 99.99  12.30 -99.99 
1982 04 24.70  14.30  19.50 
1982 05 26.60  17.10  21.85 
1982 06 29.30  19.79  24.55 
1982 07 32.90 -99.99 -99.99 
1982 08 35.00 -99.99 -99.99 
1982 09 32.40  24.40  28.40 
1982 10 27.90  16.50  22.20 
1982 11 22.00  13.00  17.50 
1982 12 18.29   8.89  13.60 
1983 01 19.29   9.30  14.29 
1983 02 19.90 -99.99 -99.99 
1983 03 22.20  11.40  16.79 
1983 04 23.30  12.60  17.95 
1983 05 28.10  17.10  22.60 
1983 06 31.00  21.00  26.00 
1983 07 99.99  26.20 -99.99 
1983 08 33.90  25.50  29.70 
1983 09 33.59  27.10  30.34 
1983 10 29.00  19.10  24.05 
1983 11 24.10  12.30  18.20 
1983 12 20.10  11.00  15.55 
1984 01 19.40   9.70  14.54 
1984 02 20.50   9.30  14.90 
1984 03 23.00  11.60  17.29 
1984 04 24.50  14.10  19.29 
1984 05 29.90  19.40  24.65 
1984 06 30.90  22.40  26.65 
1984 07 33.90  26.60  30.25 
1984 08 34.59  26.40  30.50 
1984 09 33.80  25.40  29.59 
1984 10 27.80  18.50  23.15 
1984 11 22.40  12.10  17.25 
1984 12 17.79   9.70  13.75 
1985 01 17.20   8.20  12.70 
1985 02 18.50   8.10  13.30 
1985 03 21.10  11.30  16.20 
1985 04 26.30  15.70  21.00 
1985 05 27.40  19.20  23.30 
1985 06 31.20  21.90  26.55 
1985 07 34.20  26.60  30.40 
1985 08 34.50  27.40  30.95 
1985 11 21.80  11.50  16.65 
1986 01 21.00 -99.99 -99.99 
1986 02 20.29  10.70  15.50 
1986 03 23.40 -99.99 -99.99 
1986 04 99.99  15.70 -99.99 
1986 05 28.60  18.20  23.40 
1986 10 28.70 -99.99 -99.99 
1987 03 99.99  10.70 -99.99 
1987 04 99.99  15.30 -99.99 
1987 05 99.99  17.70 -99.99 
1987 06 99.99  21.00 -99.99 
1987 08 35.59 -99.99 -99.99 
1988 02 21.80  10.60  16.20 
1988 03 23.10  11.10  17.10 
1988 05 28.50 -99.99 -99.99 
1988 07 34.50  27.30  30.90 
1988 09 36.50 -99.99 -99.99 
1988 10 33.30 -99.99 -99.99 
1988 11 24.30  12.00  18.15 
1989 02 19.60   9.39  14.50 
1989 03 23.60 -99.99 -99.99 
1989 04 99.99  17.20 -99.99 
1989 06 32.59  22.20  27.40 
1989 09 36.30 -99.99 -99.99 
1990 04 25.30 -99.99 -99.99 
1990 06 32.59 -99.99 -99.99 
1991 03 99.99  11.10 -99.99 
1992 01 99.99   9.50 -99.99 
1992 02 99.99  12.90 -99.99 
1992 10 99.99  19.40 -99.99 
1993 06 99.99  22.30 -99.99 
1994 02 99.99   9.60 -99.99 
1995 03 99.99  11.60 -99.99 
1995 04 99.99  12.80 -99.99 
1995 05 99.99  16.20 -99.99 
1998 03 99.99  12.10 -99.99 
1998 07 36.50  27.70  32.09 
1998 09 36.40  27.00  31.70 
1998 11 24.70  12.40  18.54 
1999 01 19.50   9.10  14.30 
1999 02 20.10  10.40  15.25 
1999 03 22.80  12.00  17.40 
1999 04 24.20  14.00  19.10 
1999 05 28.60  18.29  23.45 
1999 06 31.50  21.40  26.45 
1999 07 34.30  27.00  30.65 
1999 09 29.00  26.50  27.75 
1999 10 32.59  19.60  26.09 
1999 11 24.80  13.80  19.29 
2000 01 20.00  10.00  15.00 
2000 02 21.60  10.90  16.25 
2000 03 23.30  11.90  17.59 
2000 04 28.80  16.29  22.55 
2000 05 30.70  21.00  25.85 
2000 06 33.30  23.80  28.55 
2000 07 35.90  26.90  31.40 
2000 09 35.30  25.60  30.45 
2000 10 29.30  19.29  24.30 
2000 11 22.20  11.20  16.70 
2001 01 16.40   8.20  12.29 
2001 02 19.00   9.70  14.35 
2001 03 22.80  13.10  17.95 
2001 04 25.40  15.10  20.25 
2001 05 32.09  20.50  26.30 
2001 06 35.09  23.90  29.50 
2001 07 36.70  28.40  32.55 
2001 09 36.90  25.90  31.40 
2001 10 31.40  20.40  25.90 
2001 11 28.90  16.50  22.70 
2002 01 17.50   9.70  13.60 
2002 02 20.70  10.60  15.65 
2002 03 20.70  10.60  15.65 
2002 04 26.40  16.40  21.40 
2002 05 26.40  16.40  21.40 
2002 06 34.50  24.60  29.55 
2002 07 36.30  28.90  32.59 
2002 09 36.40  26.80  31.60 
2002 10 30.40  18.70  24.55 
2002 11 25.20  14.00  19.60 
2003 01 21.90  12.70  17.29 
2003 02 19.90  12.20  16.04 
2003 03 24.00  13.10  18.54 
2003 04 24.80  14.00  19.40 
2003 05 29.40  18.20  23.80 
2003 06 31.10  23.10  27.10 
2003 07 34.40  28.00  31.20 
2003 09 34.59  26.10  30.34 
2003 10 32.20  22.00  27.10 
2003 11 22.40  12.10  17.25 
2004 01 17.90   8.89  13.40 
2004 02 19.00   8.80  13.90 
2004 04 26.30  16.40  21.34 
2004 05 29.90  19.90  24.90 
2004 06 32.90  23.10  28.00 
2004 07 34.90  27.00  30.95 
2004 09 33.59  24.60  29.09 
