| | Volume | Selling Days
in Month | | Apr 2013 | 5,786 | 25 | | Mar 2013 | 6,071 | 27 | | Feb 2013 | 4,302 | 24 | | Jan 2013 | 3,682 | 25 | | Dec 2012 | 6,456 | 26 | | Nov 2012 | 5,248 | 25 | | Oct 2012 | 5,888 | 26 | | Sep 2012 | 4,899 | 25 | | Aug 2012 | 5,718 | 27 | | Jul 2012 | 5,855 | 24 | | Jun 2012 | 5,995 | 27 | | May 2012 | 6,153 | 26 | | Apr 2012 | 5,731 | 24 | | Mar 2012 | 5,866 | 28 | | Feb 2012 | 4,980 | 25 | | Jan 2012 | 3,334 | | | Nov 2011 | 4,750 | 25 | | Oct 2011 | 5,415 | 26 | | Sep 2011 | 3,999 | 25 | | Aug 2011 | 3,109 | 26 | | Jul 2011 | 4,711 | 26 | | Jun 2011 | 5,228 | 26 | | May 2011 | 5,801 | 24 | | Apr 2011 | 6,446 | 27 | | Mar 2011 | 6,087 | 27 | | Feb 2011 | 3,503 | 24 | | Jan 2011 | 2,751 | | | Dec 2010 | 4,320 | 27 | | Nov 2010 | 2,786 | 24 | | Oct 2010 | 3,950 | 27 | | Sep 2010 | 4,884 | 25 | | Aug 2010 | 4,425 | 25 | | Jul 2010 | 4,326 | 27 | | May 2010 | 4,233 | 26 | | Apr 2010 | 3,843 | 26 | | Mar 2010 | 3,610 | 26 | | Feb 2010 | 2,871 | 24 | | Jan 2010 | 2,247 | 24 | | Dec 2009 | 3,489 | 28 | | Oct 2009 | 4,176 | 28 | | Sep 2009 | 4,128 | 25 | | Aug 2009 | 5,111 | 26 | | Jul 2009 | 4,872 | 26 | | Jun 2009 | 4,105 | 25 | | May 2009 | 4,610 | 26 | | Apr 2009 | 3,657 | 26 | | Mar 2009 | 3,605 | 25 | | Feb 2009 | 2,826 | 24 | | Jan 2009 | 2,082 | 26 | | Dec 2008 | 3,566 | 26 | | Nov 2008 | 4,545 | 25 | | Oct 2008 | 5,272 | 27 | | Sep 2008 | 3,762 | 24 | | Aug 2008 | 5,469 | 27 | | Jul 2008 | 5,063 | 26 | | Jun 2008 | 5,211 | 24 | | May 2008 | 6,312 | 27 | | Apr 2008 | 4,713 | | | Mar 2008 | 4,289 | 26 | | Feb 2008 | 3,415 | 25 | | Dec 2007 | 3,562 | 26 | | Nov 2007 | 3,177 | | | Oct 2007 | 3,370 | | | Sep 2007 | 4,031 | 25 | | Aug 2007 | 4,077 | | | Jul 2007 | 4,069 | 24 | | Jun 2007 | 4,174 | 27 | | May 2007 | 4,130 | 26 | | Apr 2007 | 3,382 | 24 | | Mar 2007 | 3,655 | 28 | | Feb 2007 | 2,368 | 24 | | Jan 2007 | 2,050 | 25 | | Dec 2006 | 2,472 | 26 | | Nov 2006 | 3,287 | | | Oct 2006 | 3,642 | 25 | | Sep 2006 | 2,964 | 26 | | Aug 2006 | 3,252 | 27 | | Jul 2006 | 3,528 | 25 | | Jun 2006 | 3,556 | 26 | | May 2006 | 3,672 | 25 | | Apr 2006 | 3,313 | 26 | | Mar 2006 | 3,851 | 27 | | Feb 2006 | 2,690 | | | Jan 2006 | 2,944 | 24 | | Dec 2005 | 2,436 | | | Nov 2005 | 3,171 | | | Oct 2005 | 3,203 | | | Sep 2005 | 3,027 | 25 | | Aug 2005 | 3,342 | 26 | | Jul 2005 | 3,662 | 26 |
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