| | Volume | Selling Days
in Month | | Apr 2013 | 4,464 | 25 | | Mar 2013 | 5,365 | 27 | | Feb 2013 | 4,867 | 24 | | Jan 2013 | 4,875 | 25 | | Dec 2012 | 6,150 | 26 | | Nov 2012 | 6,141 | 25 | | Oct 2012 | 4,200 | 26 | | Sep 2012 | 4,977 | 25 | | Aug 2012 | 6,323 | 27 | | Jul 2012 | 5,717 | 24 | | Jun 2012 | 7,107 | 27 | | May 2012 | 6,246 | 26 | | Apr 2012 | 4,848 | 24 | | Mar 2012 | 6,693 | 28 | | Feb 2012 | 5,263 | 25 | | Jan 2012 | 4,461 | | | Dec 2011 | 5,342 | 27 | | Nov 2011 | 4,844 | 25 | | Oct 2011 | 4,899 | 26 | | Sep 2011 | 5,042 | 25 | | Aug 2011 | 5,215 | 26 | | Jul 2011 | 5,595 | 26 | | Jun 2011 | 7,100 | 26 | | May 2011 | 7,359 | 24 | | Apr 2011 | 6,404 | 27 | | Mar 2011 | 6,369 | 27 | | Feb 2011 | 4,795 | 24 | | Jan 2011 | 4,276 | | | Dec 2010 | 4,756 | 27 | | Nov 2010 | 4,078 | 24 | | Oct 2010 | 3,996 | 27 | | Sep 2010 | 4,152 | 25 | | Jul 2010 | 4,319 | 27 | | Jun 2010 | 4,995 | 25 | | May 2010 | 4,659 | 26 | | Apr 2010 | 4,546 | 26 | | Mar 2010 | 5,237 | 26 | | Feb 2010 | 4,641 | 24 | | Jan 2010 | 4,128 | 24 | | Dec 2009 | 5,638 | 28 | | Nov 2009 | 4,631 | 23 | | Oct 2009 | 4,437 | 28 | | Sep 2009 | 4,716 | 25 | | Aug 2009 | 5,826 | 26 | | Jul 2009 | 6,441 | 26 | | Jun 2009 | 7,042 | 25 | | May 2009 | 5,577 | 26 | | Apr 2009 | 4,503 | 26 | | Mar 2009 | 6,358 | 25 | | Feb 2009 | 3,356 | 24 | | Jan 2009 | 2,910 | 26 | | Dec 2008 | 4,953 | 26 | | Nov 2008 | 4,404 | 25 | | Oct 2008 | 3,717 | 27 | | Sep 2008 | 4,054 | 24 | | Aug 2008 | 4,669 | 27 | | Jul 2008 | 5,124 | 26 | | Jun 2008 | 7,001 | 24 | | May 2008 | 7,238 | 27 | | Apr 2008 | 7,138 | | | Mar 2008 | 9,263 | 26 | | Feb 2008 | 7,505 | 25 | | Jan 2008 | 8,036 | 25 | | Dec 2007 | 9,341 | 26 | | Nov 2007 | 8,227 | | | Oct 2007 | 7,761 | | | Sep 2007 | 8,408 | 25 | | Aug 2007 | 9,119 | | | Jul 2007 | 9,549 | 24 | | Jun 2007 | 9,572 | 27 | | May 2007 | 9,142 | 26 | | Apr 2007 | 8,122 | 24 | | Mar 2007 | 10,661 | 28 | | Feb 2007 | 8,453 | 24 | | Jan 2007 | 7,808 | 25 | | Dec 2006 | 8,525 | 26 | | Nov 2006 | 9,229 | | | Oct 2006 | 8,384 | 25 | | Sep 2006 | 9,672 | 26 | | Aug 2006 | 10,582 | 27 | | Jul 2006 | 10,323 | 25 | | Jun 2006 | 10,867 | 26 | | May 2006 | 10,124 | 25 | | Apr 2006 | 9,736 | 26 | | Mar 2006 | 11,124 | 27 | | Feb 2006 | 8,397 | | | Jan 2006 | 8,844 | 24 | | Dec 2005 | 9,080 | | | Nov 2005 | 8,076 | | | Oct 2005 | 8,671 | | | Sep 2005 | 9,514 | 25 | | Aug 2005 | 10,806 | 26 | | Jul 2005 | 11,499 | 26 |
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