1971 01 99.99 -99.99  23.20 
1971 02 99.99 -99.99  22.10 
1971 03 99.99 -99.99  22.70 
1971 04 99.99 -99.99  24.60 
1971 05 99.99 -99.99  27.40 
1971 06 99.99 -99.99  28.10 
1971 07 99.99 -99.99  28.40 
1971 08 99.99 -99.99  27.80 
1971 09 99.99 -99.99  27.20 
1971 10 99.99 -99.99  25.50 
1971 11 99.99 -99.99  22.40 
1971 12 99.99 -99.99  21.30 
1972 01 99.99 -99.99  19.50 
1972 02 99.99 -99.99  19.79 
1972 03 99.99 -99.99  24.50 
1972 04 99.99 -99.99  27.30 
1972 06 99.99 -99.99  27.40 
1972 07 99.99 -99.99  26.90 
1972 08 99.99 -99.99  27.60 
1972 09 99.99 -99.99  28.50 
1974 06 99.99 -99.99  27.70 
1974 08 99.99 -99.99  27.60 
1974 10 99.99 -99.99  22.60 
1974 11 99.99 -99.99  19.60 
1974 12 99.99 -99.99  16.70 
1975 01 99.99 -99.99  15.80 
1975 02 99.99 -99.99  19.29 
1975 03 99.99 -99.99  23.40 
1975 04 99.99 -99.99  25.60 
1975 05 99.99 -99.99  28.70 
1975 06 99.99 -99.99  28.20 
1975 07 99.99 -99.99  27.70 
1975 08 99.99 -99.99  27.70 
1975 09 99.99 -99.99  25.50 
1975 10 99.99 -99.99  24.60 
1975 11 99.99 -99.99  20.29 
1975 12 99.99 -99.99  17.50 
1976 01 99.99 -99.99  17.90 
1976 02 99.99 -99.99  19.50 
1976 03 99.99 -99.99  23.50 
1976 04 99.99 -99.99  25.50 
1976 05 99.99 -99.99  25.90 
1976 06 99.99 -99.99  27.40 
1976 07 99.99 -99.99  26.20 
1976 08 99.99 -99.99  26.50 
1976 09 99.99 -99.99  27.00 
1976 10 99.99 -99.99  22.30 
1976 11 99.99 -99.99  16.10 
1976 12 99.99 -99.99  16.00 
1977 01 99.99 -99.99  15.90 
1977 02 99.99 -99.99  17.29 
1977 03 99.99 -99.99  21.90 
1977 04 99.99 -99.99  24.00 
1977 05 99.99 -99.99  27.50 
1977 06 99.99 -99.99  27.60 
1977 07 99.99 -99.99  28.10 
1977 08 99.99 -99.99  29.20 
1977 09 99.99 -99.99  28.10 
1977 10 99.99 -99.99  24.80 
1977 11 99.99 -99.99  21.90 
1977 12 99.99 -99.99  18.90 
1978 01 99.99 -99.99  16.60 
1978 02 99.99 -99.99  15.70 
1978 03 99.99 -99.99  20.50 
1978 04 99.99 -99.99  25.80 
1978 05 99.99 -99.99  29.10 
1978 06 99.99 -99.99  29.50 
1978 07 99.99 -99.99  29.60 
1978 08 99.99 -99.99  29.50 
1978 09 99.99 -99.99  28.00 
1978 10 99.99 -99.99  24.00 
1978 11 99.99 -99.99  22.70 
1978 12 99.99 -99.99  18.60 
1979 01 99.99 -99.99  15.60 
1979 02 99.99 -99.99  18.29 
1979 03 99.99 -99.99  22.40 
1979 04 99.99 -99.99  26.90 
1979 05 99.99 -99.99  27.50 
1979 06 99.99 -99.99  28.00 
1979 07 99.99 -99.99  29.70 
1979 08 99.99 -99.99  28.10 
1979 09 99.99 -99.99  25.90 
1979 10 99.99 -99.99  24.70 
1979 11 99.99 -99.99  19.60 
1979 12 99.99 -99.99  16.70 
1980 01 99.99 -99.99  18.90 
1980 02 99.99 -99.99  17.50 
1980 03 99.99 -99.99  22.80 
1980 04 99.99 -99.99  24.40 
1980 05 99.99 -99.99  29.10 
1980 06 99.99 -99.99  30.10 
1980 07 99.99 -99.99  30.40 
1980 08 99.99 -99.99  29.30 
1980 09 99.99 -99.99  28.30 
1980 10 99.99 -99.99  23.50 
1980 11 99.99 -99.99  18.29 
1980 12 99.99 -99.99  17.20 
1991 09 99.99 -99.99  25.60 
1991 12 99.99 -99.99  18.29 
1994 03 99.99 -99.99  21.50 
1994 04 99.99 -99.99  24.20 
1994 06 99.99 -99.99  29.00 
1994 07 99.99 -99.99  29.90 
1994 09 99.99 -99.99  27.00 
1994 10 99.99 -99.99  25.20 
1994 12 99.99 -99.99  19.40 
1995 01 99.99 -99.99  17.29 
1995 03 99.99 -99.99  22.70 
1995 04 99.99 -99.99  25.90 
1995 05 99.99 -99.99  30.70 
1995 06 99.99 -99.99  30.50 
1998 08 99.99 -99.99  31.80 
1998 10 99.99 -99.99  25.30 
1998 11 99.99 -99.99  23.60 
1999 01 99.99 -99.99  19.20 
1999 02 99.99 -99.99  22.70 
1999 03 99.99 -99.99  25.20 
1999 04 99.99 -99.99  28.60 
1999 05 99.99 -99.99  29.90 
1999 06 99.99 -99.99  30.00 
1999 07 99.99 -99.99  28.60 
1999 08 99.99 -99.99  30.00 
1999 09 99.99 -99.99  27.40 
1999 10 99.99 -99.99  24.30 
1999 11 99.99 -99.99  21.30 
1999 12 99.99 -99.99  17.90 
2000 01 99.99 -99.99  19.40 
2000 02 99.99 -99.99  23.00 
2000 03 99.99 -99.99  25.80 
2000 04 99.99 -99.99  26.10 
2000 05 99.99 -99.99  28.80 
2000 06 99.99 -99.99  28.60 
2000 07 99.99 -99.99  30.30 
2000 08 99.99 -99.99  29.50 
2000 09 99.99 -99.99  29.10 
2000 10 99.99 -99.99  24.00 
2000 11 99.99 -99.99  21.80 
2000 12 99.99 -99.99  15.00 
2001 01 99.99 -99.99  17.29 
2001 02 99.99 -99.99  21.10 
2001 03 99.99 -99.99  21.50 
2001 04 99.99 -99.99  25.90 
2001 05 99.99 -99.99  26.50 
2001 06 99.99 -99.99  28.80 
2001 07 99.99 -99.99  29.00 
2001 08 99.99 -99.99  29.80 
2001 09 99.99 -99.99  27.50 
2001 10 99.99 -99.99  24.60 
2001 11 99.99 -99.99  21.30 
2001 12 99.99 -99.99  19.20 
2002 01 99.99 -99.99  17.79 
2002 02 99.99 -99.99  17.00 
2002 03 99.99 -99.99  22.00 
2002 04 99.99 -99.99  26.40 
2002 06 99.99 -99.99  29.20 
2002 07 99.99 -99.99  28.20 
2002 08 99.99 -99.99  30.00 
2002 09 99.99 -99.99  27.80 
2002 10 99.99 -99.99  26.00 
2002 11 99.99 -99.99  16.20 
2002 12 99.99 -99.99  17.40 
2003 01 99.99 -99.99  15.80 
2003 02 99.99 -99.99  18.70 
2003 03 99.99 -99.99  22.70 
2003 04 99.99 -99.99  25.50 
2003 05 99.99 -99.99  29.50 
2003 06 99.99 -99.99  30.00 
2003 07 99.99 -99.99  29.10 
2003 09 99.99 -99.99  27.50 
2003 10 99.99 -99.99  24.40 
2003 11 99.99 -99.99  21.80 
2003 12 99.99 -99.99  16.10 
2004 01 99.99 -99.99  16.70 
2004 02 99.99 -99.99  19.20 
2004 03 99.99 -99.99  22.70 
2004 04 99.99 -99.99  24.10 
2004 05 99.99 -99.99  25.80 
2004 06 99.99 -99.99  28.50 
2004 07 99.99 -99.99  27.90 
2004 08 99.99 -99.99  29.40 
2004 09 99.99 -99.99  27.60 
2004 10 99.99 -99.99  27.10 
2004 11 99.99 -99.99  22.00 
2004 12 99.99 -99.99  17.40 
2012 07 99.99 -99.99  29.30 
2013 10 99.99 -99.99  25.50 
2014 03 27.70  14.60  21.15 
2014 04 33.09  17.00  25.05 
