| | Volume | Selling Days
in Month | | Apr 2013 | 13,899 | 25 | | Mar 2013 | 14,100 | 27 | | Feb 2013 | 9,489 | 24 | | Jan 2013 | 9,489 | 25 | | Dec 2012 | 16,034 | 26 | | Nov 2012 | 12,246 | 25 | | Oct 2012 | 12,163 | 26 | | Sep 2012 | 14,366 | 25 | | Aug 2012 | 15,646 | 27 | | Jul 2012 | 12,825 | 24 | | Jun 2012 | 15,370 | 27 | | May 2012 | 14,586 | 26 | | Apr 2012 | 12,175 | 24 | | Mar 2012 | 11,166 | 28 | | Feb 2012 | 11,258 | 25 | | Jan 2012 | 8,381 | | | Dec 2011 | 13,129 | 27 | | Nov 2011 | 9,909 | 25 | | Oct 2011 | 11,115 | 26 | | Sep 2011 | 10,010 | 25 | | Aug 2011 | 9,054 | 26 | | Jul 2011 | 9,402 | 26 | | Jun 2011 | 8,708 | 26 | | May 2011 | 9,000 | 24 | | Apr 2011 | 11,604 | 27 | | Mar 2011 | 12,611 | 27 | | Feb 2011 | 10,796 | 24 | | Jan 2011 | 7,961 | | | Dec 2010 | 15,489 | 27 | | Nov 2010 | 10,718 | 24 | | Oct 2010 | 11,011 | 27 | | Sep 2010 | 10,720 | 25 | | Aug 2010 | 11,534 | 25 | | Jul 2010 | 13,017 | 27 | | Jun 2010 | 10,839 | 25 | | May 2010 | 11,766 | 26 | | Apr 2010 | 10,719 | 26 | | Mar 2010 | 11,722 | 26 | | Feb 2010 | 8,939 | 24 | | Jan 2010 | 7,132 | 24 | | Dec 2009 | 10,575 | 28 | | Nov 2009 | 8,769 | 23 | | Oct 2009 | 9,751 | 28 | | Sep 2009 | 7,259 | 25 | | Aug 2009 | 9,625 | 26 | | Jul 2009 | 8,662 | 26 | | Jun 2009 | 8,280 | 25 | | May 2009 | 9,469 | 26 | | Apr 2009 | 8,813 | 26 | | Mar 2009 | 9,005 | 25 | | Feb 2009 | 7,659 | 24 | | Jan 2009 | 7,856 | 26 | | Dec 2008 | 10,680 | 26 | | Nov 2008 | 7,888 | 25 | | Oct 2008 | 10,108 | 27 | | Sep 2008 | 9,997 | 24 | | Aug 2008 | 15,089 | 27 | | Jul 2008 | 12,828 | 26 | | Jun 2008 | 12,456 | 24 | | May 2008 | 14,893 | 27 | | Mar 2008 | 13,288 | 26 | | Feb 2008 | 13,084 | 25 | | Jan 2008 | 11,168 | 25 | | Dec 2007 | 17,582 | 26 | | Nov 2007 | 12,910 | | | Oct 2007 | 12,886 | | | Sep 2007 | 14,369 | 25 | | Aug 2007 | 16,436 | | | Jul 2007 | 14,381 | 24 | | Jun 2007 | 16,766 | 27 | | May 2007 | 15,920 | 26 | | Apr 2007 | 15,193 | 24 | | Mar 2007 | 16,986 | 28 | | Feb 2007 | 13,658 | 24 | | Jan 2007 | 13,017 | 25 | | Dec 2006 | 19,056 | 26 | | Nov 2006 | 17,200 | | | Oct 2006 | 15,877 | 25 | | Sep 2006 | 16,323 | 26 | | Aug 2006 | 18,263 | 27 | | Jul 2006 | 18,203 | 25 | | Jun 2006 | 15,107 | 26 | | May 2006 | 16,171 | 25 | | Apr 2006 | 19,372 | 26 | | Mar 2006 | 17,524 | 27 | | Feb 2006 | 14,146 | | | Jan 2006 | 13,981 | 24 | | Dec 2005 | 18,621 | | | Nov 2005 | 13,882 | | | Oct 2005 | 16,398 | | | Sep 2005 | 16,634 | 25 | | Aug 2005 | 19,221 | 26 | | Jul 2005 | 19,909 | 26 |
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