1997 01 21.60   9.30  15.45 
1997 02 21.00   8.70  14.85 
1997 03 23.90  12.10  18.00 
1997 04 29.00  16.20  22.60 
1997 05 36.30  22.00  29.15 
1997 06 38.80  25.40  32.09 
1997 07 41.50  27.20  34.34 
1997 08 39.20  26.90  33.05 
1997 09 36.50  24.80  30.65 
1997 10 32.80  21.60  27.20 
1997 11 28.60  17.50  23.05 
1997 12 23.00  12.70  17.85 
1998 01 21.50  11.20  16.35 
1998 02 22.90  12.80  17.85 
1998 03 25.30  14.70  20.00 
1998 04 32.40  19.60  26.00 
1998 05 35.70  22.90  29.30 
1998 06 38.30  25.20  31.75 
1998 07 42.00  27.40  34.70 
1998 08 41.60  29.80  35.69 
1998 09 38.40  26.80  32.59 
1998 10 33.90  22.20  28.05 
1998 11 29.30  17.50  23.40 
1998 12 24.60  12.70  18.65 
1999 01 22.90  11.80  17.35 
1999 02 23.20  12.00  17.60 
1999 03 27.70  14.70  21.20 
1999 04 31.20  17.70  24.45 
1999 05 36.90  22.80  29.85 
1999 06 38.80  26.10  32.45 
1999 07 41.70  27.70  34.70 
1999 08 41.20  28.50  34.84 
1999 09 38.20  26.30  32.25 
1999 10 33.90  23.20  28.55 
1999 11 28.30  16.29  22.30 
1999 12 23.70  10.90  17.29 
2000 01 21.30  10.40  15.85 
2000 02 23.10  11.70  17.40 
2000 05 35.09  21.50  28.30 
2000 06 39.00  25.10  32.05 
2000 07 41.70  29.10  35.40 
2000 08 40.20  28.10  34.15 
2000 10 32.70  22.30  27.50 
2000 11 27.30  15.20  21.25 
2000 12 22.70  12.70  17.70 
2001 01 22.10  10.40  16.25 
2001 02 23.30  11.50  17.40 
2001 03 30.10  17.29  23.70 
2001 04 32.30  19.50  25.90 
2001 05 35.50  22.10  28.80 
2001 06 38.70  25.30  32.00 
2001 08 40.40  28.90  34.65 
2001 09 37.70  26.70  32.20 
2001 10 34.00  23.30  28.65 
2001 11 28.20  16.10  22.15 
2001 12 23.10  12.10  17.60 
2002 01 20.80  10.90  15.85 
2002 07 42.20  28.80  35.50 
2002 08 40.80  28.90  34.84 
2002 09 37.70  26.70  32.20 
2002 10 34.09  24.20  29.15 
2002 11 29.20  18.29  23.75 
2002 12 22.10  13.70  17.90 
2003 01 23.10  11.80  17.45 
2003 03 24.80  14.40  19.59 
2003 05 39.80  25.30  32.55 
2003 06 39.90  25.60  32.75 
2003 07 41.20  27.50  34.34 
2003 09 37.20  25.90  31.55 
2003 10 33.80  22.30  28.05 
2003 11 28.10  16.40  22.25 
2003 12 22.50  12.60  17.54 
2004 01 21.40   1.10  11.25 
2004 02 22.80  11.80  17.29 
2004 03 27.90  15.90  21.90 
2004 04 31.50  18.29  24.90 
2004 06 38.59  21.50  30.05 
2004 07 41.00  28.00  34.50 
2004 08 39.80  27.80  33.80 
2004 09 37.09  26.20  31.65 
2005 12 99.99 -99.99  17.79 
2006 01 99.99 -99.99  16.70 
2006 02 99.99 -99.99  18.40 
2006 03 99.99 -99.99  21.20 
2006 04 99.99 -99.99  24.30 
2006 05 99.99 -99.99  28.50 
2006 06 99.99 -99.99  32.50 
2006 07 99.99 -99.99  34.09 
2006 08 99.99 -99.99  34.70 
2006 09 99.99 -99.99  32.70 
2006 10 99.99 -99.99  28.30 
2006 11 99.99 -99.99  20.70 
2006 12 99.99 -99.99  15.00 
2007 01 99.99 -99.99  15.80 
2007 02 99.99 -99.99  18.50 
2007 03 99.99 -99.99  20.20 
2007 04 99.99 -99.99  24.50 
2007 05 99.99 -99.99  30.10 
2007 06 99.99 -99.99  32.59 
2007 07 99.99 -99.99  35.00 
2007 08 99.99 -99.99  34.50 
2007 09 99.99 -99.99  32.50 
2007 11 99.99 -99.99  22.10 
2007 12 99.99 -99.99  16.79 
2008 01 99.99 -99.99  14.10 
2008 02 99.99 -99.99  17.29 
2008 03 99.99 -99.99  22.70 
2008 04 99.99 -99.99  26.30 
2008 05 99.99 -99.99  28.10 
2008 06 99.99 -99.99  33.09 
2008 07 99.99 -99.99  34.80 
2008 08 99.99 -99.99  35.30 
2008 09 99.99 -99.99  32.80 
2008 10 99.99 -99.99  27.90 
2008 11 99.99 -99.99  22.70 
2008 12 99.99 -99.99  18.70 
2009 01 99.99 -99.99  16.50 
2009 02 99.99 -99.99  18.20 
2009 03 99.99 -99.99  20.10 
2009 04 99.99 -99.99  24.60 
2009 05 99.99 -99.99  28.80 
2009 06 99.99 -99.99  33.09 
2009 07 99.99 -99.99  35.30 
2009 08 99.99 -99.99  34.80 
2009 09 99.99 -99.99  32.20 
2009 10 99.99 -99.99  29.10 
2009 11 99.99 -99.99  21.90 
2009 12 99.99 -99.99  19.29 
2010 01 99.99 -99.99  18.00 
2010 02 99.99 -99.99  19.60 
2010 03 99.99 -99.99  22.90 
2010 04 99.99 -99.99  25.40 
2010 05 99.99 -99.99  29.10 
2010 06 99.99 -99.99  33.50 
2010 07 99.99 -99.99  35.09 
2010 09 99.99 -99.99  33.70 
2010 10 99.99 -99.99  30.20 
2010 11 99.99 -99.99  23.00 
2010 12 99.99 -99.99  17.79 
2011 01 99.99 -99.99  17.50 
2011 02 99.99 -99.99  18.90 
2011 03 99.99 -99.99  20.70 
2011 04 99.99 -99.99  24.60 
2011 05 99.99 -99.99  28.60 
2011 06 99.99 -99.99  32.09 
2011 07 99.99 -99.99  35.00 
2011 08 99.99 -99.99  34.59 
2011 09 99.99 -99.99  32.59 
2011 10 99.99 -99.99  28.30 
2011 11 99.99 -99.99  19.60 
2011 12 99.99 -99.99  16.40 
