1978 07 99.99 -99.99  21.20 
1978 08 99.99 -99.99  22.70 
1978 09 99.99 -99.99  20.80 
1978 10 99.99 -99.99  19.20 
1978 11 99.99 -99.99  14.10 
1978 12 99.99 -99.99  13.30 
1979 01 99.99 -99.99  11.80 
1979 04 99.99 -99.99  20.10 
1979 06 99.99 -99.99  22.40 
1979 07 99.99 -99.99  21.20 
1979 08 99.99 -99.99  21.50 
1979 10 99.99 -99.99  19.79 
1979 12 99.99 -99.99  11.50 
1980 02 99.99 -99.99  12.60 
1980 04 99.99 -99.99  21.80 
1980 07 99.99 -99.99  21.60 
1980 08 99.99 -99.99  21.40 
1980 10 99.99 -99.99  17.50 
1980 12 99.99 -99.99  13.80 
1981 02 99.99 -99.99  13.80 
1981 05 99.99 -99.99  20.10 
1982 01 99.99 -99.99  12.80 
1982 02 99.99 -99.99  11.20 
1982 03 99.99 -99.99  15.10 
1982 04 99.99 -99.99  18.70 
1982 05 99.99 -99.99  21.70 
1982 06 99.99 -99.99  21.40 
1982 08 99.99 -99.99  22.20 
1982 10 99.99 -99.99  18.40 
1982 12 99.99 -99.99  12.20 
1983 01 99.99 -99.99  10.30 
1983 03 99.99 -99.99  16.10 
1983 04 99.99 -99.99  18.60 
1983 05 99.99 -99.99  19.79 
1983 08 99.99 -99.99  22.00 
1983 09 99.99 -99.99  21.20 
1983 10 99.99 -99.99  19.60 
1983 11 99.99 -99.99  16.60 
1984 01 99.99 -99.99  10.00 
1984 02 99.99 -99.99  12.40 
1984 03 99.99 -99.99  17.50 
1984 04 99.99 -99.99  20.40 
1984 06 99.99 -99.99  21.50 
1984 07 99.99 -99.99  20.70 
1984 10 99.99 -99.99  19.20 
1984 11 99.99 -99.99  15.50 
1984 12 99.99 -99.99  12.30 
1985 01 99.99 -99.99  11.00 
1985 02 99.99 -99.99  12.40 
1985 03 99.99 -99.99  17.90 
1985 04 99.99 -99.99  21.00 
1985 05 99.99 -99.99  20.60 
1985 06 99.99 -99.99  21.90 
1985 07 99.99 -99.99  20.90 
1985 08 99.99 -99.99  22.40 
1985 09 99.99 -99.99  20.60 
1985 10 99.99 -99.99  18.60 
1986 01 99.99 -99.99  11.70 
1986 02 99.99 -99.99  12.80 
1986 03 99.99 -99.99  17.50 
1986 04 99.99 -99.99  18.90 
1986 05 99.99 -99.99  19.29 
1986 06 99.99 -99.99  22.30 
1986 07 99.99 -99.99  21.50 
1986 08 99.99 -99.99  21.90 
1986 09 99.99 -99.99  20.20 
1986 10 99.99 -99.99  17.40 
1986 12 99.99 -99.99  12.40 
1987 01 99.99 -99.99  12.40 
1987 03 99.99 -99.99  15.50 
1987 04 99.99 -99.99  19.10 
1987 05 99.99 -99.99  20.50 
1987 06 99.99 -99.99  21.10 
1987 07 99.99 -99.99  21.60 
1987 08 99.99 -99.99  20.90 
1991 10 99.99 -99.99  19.60 
1991 12 99.99 -99.99  12.60 
1995 02 18.60   8.70  13.65 
1995 05 28.90  19.79  24.34 
1995 07 25.10  21.40  23.25 
1995 10 25.90  16.00  20.95 
1996 03 23.60  13.90  18.75 
1997 02 17.20   6.90  12.05 
1999 04 28.50  18.29  23.40 
1999 05 26.50  18.60  22.55 
1999 06 27.20  20.29  23.75 
1999 10 25.70  16.29  21.00 
1999 11 22.70  11.70  17.20 
2000 01 18.50   6.70  12.60 
2000 03 23.00  11.20  17.10 
2000 04 26.40  15.70  21.05 
2000 06 27.40  20.29  23.84 
2000 10 26.80  16.10  21.45 
2000 11 23.10  12.20  17.65 
2000 12 20.50   7.50  14.00 
2001 01 18.79   6.60  12.70 
2001 02 21.20   9.30  15.25 
2001 04 27.10  15.10  21.10 
2001 06 27.90  20.90  24.40 
2001 07 28.50  20.90  24.70 
2001 08 28.10  20.70  24.40 
2001 09 27.40  19.29  23.34 
2001 10 25.70  15.90  20.80 
2001 11 23.30  12.00  17.65 
2001 12 20.40   7.80  14.10 
2002 02 21.20   9.50  15.35 
2002 03 23.60 -99.99 -99.99 
2002 04 25.50  15.30  20.40 
2002 05 26.80  18.10  22.45 
2002 06 27.40    . 0  13.70 
2002 07 27.10  20.80  23.95 
2002 08 28.20  20.29  24.25 
2002 09 27.50  19.00  23.25 
2002 10 26.10  15.30  20.70 
2002 11 24.00  11.90  17.95 
2003 01 19.29   6.40  12.85 
2003 02 15.90   8.70  12.29 
2003 04 26.90  15.90  21.40 
2003 06 27.70  20.40  24.05 
2003 07 27.50  20.70  24.10 
2003 08 28.70    .70  14.70 
2003 10 25.70  16.40  21.05 
2003 11 22.80  11.90  17.34 
2004 02 20.29   8.89  14.60 
2004 03 25.20  14.60  19.90 
2004 04 25.70  15.80  20.75 
2004 06 27.20  20.00  23.60 
2004 07 26.40  20.40  23.40 
2004 08 28.60  20.80  24.70 
2004 10 24.80  15.00  19.90 
