1957 07 99.99  22.50 -99.99 
1957 08 99.99  22.50 -99.99 
1957 09 99.99  22.50 -99.99 
1957 10 99.99  22.50 -99.99 
1957 11 99.99  23.10 -99.99 
1957 12 99.99  23.10 -99.99 
1958 01 99.99  23.10 -99.99 
1958 02 99.99  22.90 -99.99 
1958 03 99.99  23.10 -99.99 
1958 04 99.99  23.30 -99.99 
1958 05 99.99  22.50 -99.99 
1958 06 99.99  22.50 -99.99 
1958 07 99.99  22.20 -99.99 
1958 08 99.99  22.30 -99.99 
1958 09 99.99  22.70 -99.99 
1958 10 99.99  22.90 -99.99 
1958 11 99.99  23.30 -99.99 
1958 12 99.99  22.40 -99.99 
1986 03 99.99  21.70 -99.99 
1986 08 99.99  21.80 -99.99 
1986 10 99.99  22.40 -99.99 
1986 11 99.99  21.40 -99.99 
1987 06 99.99  21.60 -99.99 
1987 10 99.99  21.90 -99.99 
1987 11 99.99  22.00 -99.99 
1988 11 99.99  21.60 -99.99 
1988 12 99.99  21.20 -99.99 
1989 01 99.99  21.30 -99.99 
1990 11 99.99  19.90 -99.99 
1991 01 99.99  20.40 -99.99 
1991 12 99.99  21.30 -99.99 
1992 06 99.99  21.80 -99.99 
1992 07 99.99  20.90 -99.99 
1992 08 99.99  21.20 -99.99 
1992 09 99.99  20.90 -99.99 
1992 10 99.99  21.50 -99.99 
1992 11 99.99  21.40 -99.99 
1992 12 99.99  21.40 -99.99 
1993 01 99.99  21.20 -99.99 
1993 02 99.99  20.90 -99.99 
1993 03 99.99  20.50 -99.99 
1993 04 99.99  20.90 -99.99 
1993 05 99.99  21.00 -99.99 
1993 06 99.99  20.29 -99.99 
1993 07 99.99  19.90 -99.99 
1993 08 99.99  18.20 -99.99 
1993 09 99.99  20.10 -99.99 
1993 11 99.99  20.50 -99.99 
1993 12 99.99  20.29 -99.99 
1994 01 99.99  19.90 -99.99 
1994 02 99.99  19.90 -99.99 
1994 03 99.99  19.60 -99.99 
1994 05 99.99  19.90 -99.99 
1994 07 99.99  17.90 -99.99 
1994 08 99.99  18.40 -99.99 
1994 11 99.99  20.80 -99.99 
1995 06 99.99  22.60 -99.99 
1995 07 99.99  21.50 -99.99 
1995 08 99.99  21.80 -99.99 
1995 12 99.99  22.00 -99.99 
1996 01 99.99  21.70 -99.99 
1996 03 99.99  22.10 -99.99 
1996 04 99.99  22.20 -99.99 
1996 05 99.99  21.80 -99.99 
1996 06 99.99  21.70 -99.99 
1996 07 99.99  21.20 -99.99 
1996 08 99.99  21.00 -99.99 
1996 09 99.99  21.50 -99.99 
1996 10 99.99  21.70 -99.99 
1996 11 99.99  21.50 -99.99 
1996 12 99.99  21.60 -99.99 
1997 01 99.99  21.20 -99.99 
1997 02 99.99  21.60 -99.99 
1997 03 99.99  21.30 -99.99 
1997 04 99.99  21.20 -99.99 
1997 05 99.99  20.80 -99.99 
1997 06 99.99  19.20 -99.99 
1997 07 99.99  20.40 -99.99 
1997 08 99.99  18.60 -99.99 
1997 09 99.99  19.79 -99.99 
1997 10 99.99  21.20 -99.99 
1997 11 99.99  20.80 -99.99 
1997 12 99.99  20.60 -99.99 
1998 01 99.99  21.00 -99.99 
1998 02 99.99  21.50 -99.99 
1998 03 99.99  21.30 -99.99 
1998 04 99.99  21.80 -99.99 
1998 05 99.99  22.20 -99.99 
1998 06 99.99  21.70 -99.99 
1998 07 99.99  20.20 -99.99 
1998 08 99.99  20.50 -99.99 
1998 09 99.99  20.50 -99.99 
1998 10 99.99  21.20 -99.99 
1998 11 99.99  21.00 -99.99 
1998 12 99.99  20.50 -99.99 
1999 03 99.99  21.10 -99.99 
1999 04 99.99  19.70 -99.99 
1999 05 99.99  20.00 -99.99 
1999 06 99.99  19.70 -99.99 
1999 07 99.99  19.90 -99.99 
1999 08 99.99  20.40 -99.99 
1999 09 99.99  20.29 -99.99 
1999 10 99.99  21.40 -99.99 
1999 11 30.30  21.40  25.84 
2000 02 29.60  21.10  25.35 
