1996 12 99.99 -99.99  15.10 
1997 06 99.99 -99.99  34.80 
1997 10 99.99 -99.99  26.00 
1998 04 99.99 -99.99  28.30 
1998 10 99.99 -99.99  27.30 
1999 03 99.99 -99.99  27.50 
1999 07 99.99 -99.99  32.90 
2000 06 99.99 -99.99  30.70 
2000 12 99.99 -99.99  14.40 
2007 03 99.99 -99.99  18.60 
2007 05 99.99 -99.99  29.10 
2007 06 99.99 -99.99  32.90 
2007 07 99.99 -99.99  32.20 
2007 08 99.99 -99.99  32.70 
2007 09 99.99 -99.99  29.60 
2007 11 99.99 -99.99  18.79 
2007 12 99.99 -99.99  12.30 
2008 01 99.99 -99.99  11.50 
2008 02 99.99 -99.99  11.50 
2008 03 99.99 -99.99  20.60 
2008 04 99.99 -99.99  23.70 
2008 07 99.99 -99.99  33.20 
2008 08 99.99 -99.99  29.70 
2008 09 99.99 -99.99  29.70 
2008 10 99.99 -99.99  26.20 
2008 11 99.99 -99.99  20.70 
2008 12 99.99 -99.99  14.00 
2009 01 99.99 -99.99  15.10 
2009 02 99.99 -99.99  16.60 
2009 03 99.99 -99.99  21.00 
2009 04 99.99 -99.99  24.50 
2009 05 99.99 -99.99  26.30 
2009 06 99.99 -99.99  32.09 
2009 07 99.99 -99.99  32.50 
2009 08 99.99 -99.99  34.00 
2009 09 99.99 -99.99  31.40 
2009 10 99.99 -99.99  24.00 
2009 11 99.99 -99.99  16.60 
2009 12 99.99 -99.99  15.50 
2010 01 99.99 -99.99  15.80 
2010 02 99.99 -99.99  20.20 
2010 03 99.99 -99.99  22.70 
2010 04 99.99 -99.99  16.60 
2010 05 99.99 -99.99  30.40 
2010 06 99.99 -99.99  34.80 
2010 07 99.99 -99.99  32.80 
2010 08 99.99 -99.99  32.70 
2010 09 99.99 -99.99  32.00 
2010 10 99.99 -99.99  26.90 
2010 11 99.99 -99.99  22.40 
2010 12 99.99 -99.99  15.80 
2011 01 99.99 -99.99  13.80 
