| | Volume | Selling Days in Month | | Apr 2013 | 4,032 | 25 | | Mar 2013 | 3,487 | 27 | | Feb 2013 | 2,805 | 24 | | Jan 2013 | 3,358 | 25 | | Dec 2012 | 2,952 | 26 | | Nov 2012 | 3,865 | 25 | | Oct 2012 | 3,211 | 26 | | Sep 2012 | 2,736 | 25 | | Aug 2012 | 3,026 | 27 | | Jul 2012 | 2,803 | 24 | | Jun 2012 | 3,002 | 27 | | May 2012 | 2,852 | 26 | | Apr 2012 | 3,437 | 24 | | Mar 2012 | 2,460 | 28 | | Feb 2012 | 2,149 | 25 | | Jan 2012 | 2,550 | | | Dec 2011 | 1,834 | 27 | | Nov 2011 | 2,255 | 25 | | Oct 2011 | 2,270 | 26 | | Sep 2011 | 2,170 | 25 | | Aug 2011 | 2,184 | 26 | | Jul 2011 | 2,768 | 26 | | Jun 2011 | 2,546 | 26 | | May 2011 | 2,817 | 24 | | Apr 2011 | 3,172 | 27 | | Mar 2011 | 771 | 27 | | Feb 2011 | 2,019 | 24 | | Jan 2011 | 2,150 | | | Dec 2010 | 2,567 | 27 | | Nov 2010 | 2,416 | 24 | | Oct 2010 | 2,647 | 27 | | Sep 2010 | 1,971 | 25 | | Aug 2010 | 2,032 | 25 | | Jul 2010 | 2,703 | 27 | | Jun 2010 | 2,141 | 25 | | May 2010 | 1,873 | 26 | | Apr 2010 | 1,747 | 26 | | Mar 2010 | 1,905 | 26 | | Feb 2010 | 1,531 | 24 | | Jan 2010 | 1,786 | 24 | | Dec 2009 | 2,118 | 28 | | Nov 2009 | 1,626 | 23 | | Oct 2009 | 1,642 | 28 | | Sep 2009 | 1,581 | 25 | | Aug 2009 | 1,526 | 26 | | Jul 2009 | 1,544 | 26 | | Jun 2009 | 902 | 25 | | May 2009 | 1,979 | 26 | | Apr 2009 | 1,853 | 26 | | Mar 2009 | 1,749 | 25 | | Feb 2009 | 1,518 | 24 | | Jan 2009 | 1,658 | 26 | | Dec 2008 | 2,154 | 26 | | Nov 2008 | 1,378 | 25 | | Oct 2008 | 1,427 | 27 | | Sep 2008 | 1,458 | 24 | | Aug 2008 | 1,404 | 27 | | Jul 2008 | 3,128 | 26 | | Jun 2008 | 2,650 | 24 | | May 2008 | 2,796 | 27 | | Apr 2008 | 3,099 | | | Mar 2008 | 2,624 | 26 | | Feb 2008 | 1,715 | 25 | | Jan 2008 | 2,595 | 25 | | Dec 2007 | 2,891 | 26 | | Nov 2007 | 2,662 | | | Oct 2007 | 2,862 | | | Sep 2007 | 2,641 | 25 | | Aug 2007 | 2,548 | | | Jul 2007 | 3,230 | 24 | | Jun 2007 | 3,267 | 27 | | May 2007 | 3,600 | 26 | | Apr 2007 | 3,015 | 24 | | Mar 2007 | 3,278 | 28 | | Feb 2007 | 1,967 | 24 | | Jan 2007 | 3,103 | 25 | | Dec 2006 | 2,947 | 26 | | Nov 2006 | 2,611 | | | Oct 2006 | 2,487 | 25 | | Sep 2006 | 2,339 | 26 | | Aug 2006 | 2,554 | 27 | | Jun 2006 | 2,871 | 26 | | May 2006 | 3,541 | 25 | | Apr 2006 | 3,341 | 26 | | Mar 2006 | 3,185 | 27 | | Feb 2006 | 2,700 | | | Jan 2006 | 3,337 | 24 | | Dec 2005 | 2,944 | | | Nov 2005 | 2,675 | | | Oct 2005 | 2,729 | | | Sep 2005 | 2,263 | 25 | | Aug 2005 | 2,894 | 26 |
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