| | Volume | Selling Days
in Month | | Apr 2013 | 13,157 | 25 | | Mar 2013 | 13,253 | 27 | | Feb 2013 | 10,877 | 24 | | Jan 2013 | 10,056 | 25 | | Dec 2012 | 14,841 | 26 | | Nov 2012 | 12,067 | 25 | | Oct 2012 | 11,708 | 26 | | Sep 2012 | 12,302 | 25 | | Aug 2012 | 11,527 | 27 | | Jul 2012 | 11,707 | 24 | | Jun 2012 | 12,664 | 27 | | May 2012 | 11,503 | 26 | | Apr 2012 | 11,521 | 24 | | Mar 2012 | 11,585 | 28 | | Feb 2012 | 8,531 | 25 | | Jan 2012 | 9,354 | | | Dec 2011 | 12,655 | 27 | | Nov 2011 | 9,700 | 25 | | Oct 2011 | 10,225 | 26 | | Sep 2011 | 9,725 | 25 | | Aug 2011 | 10,201 | 26 | | Jul 2011 | 9,146 | 26 | | Jun 2011 | 10,051 | 26 | | May 2011 | 10,457 | 24 | | Apr 2011 | 10,018 | 27 | | Mar 2011 | 9,818 | 27 | | Feb 2011 | 7,753 | 24 | | Jan 2011 | 7,812 | | | Dec 2010 | 10,546 | 27 | | Nov 2010 | 9,365 | 24 | | Oct 2010 | 8,128 | 27 | | Sep 2010 | 8,151 | 25 | | Aug 2010 | 9,182 | 25 | | Jul 2010 | 7,817 | 27 | | Jun 2010 | 8,601 | 25 | | May 2010 | 9,205 | 26 | | Apr 2010 | 9,319 | 26 | | Mar 2010 | 8,589 | 26 | | Feb 2010 | 6,216 | 24 | | Jan 2010 | 6,510 | 24 | | Dec 2009 | 9,030 | 28 | | Nov 2009 | 6,810 | 23 | | Oct 2009 | 7,358 | 28 | | Aug 2009 | 8,057 | 26 | | Jul 2009 | 6,407 | 26 | | Jun 2009 | 7,524 | 25 | | May 2009 | 7,503 | 26 | | Apr 2009 | 7,010 | 26 | | Mar 2009 | 6,433 | 25 | | Feb 2009 | 4,653 | 24 | | Jan 2009 | 4,722 | 26 | | Dec 2008 | 7,712 | 26 | | Nov 2008 | 6,788 | 25 | | Oct 2008 | 7,443 | 27 | | Sep 2008 | 7,584 | 24 | | Aug 2008 | 6,406 | 27 | | Jul 2008 | 6,804 | 26 | | Jun 2008 | 8,203 | 24 | | May 2008 | 8,534 | 27 | | Apr 2008 | 7,730 | | | Mar 2008 | 7,987 | 26 | | Feb 2008 | 6,152 | 25 | | Jan 2008 | 6,418 | 25 | | Dec 2007 | 8,502 | 26 | | Nov 2007 | 9,104 | | | Oct 2007 | 7,421 | | | Sep 2007 | 8,021 | 25 | | Aug 2007 | 7,620 | | | Jul 2007 | 7,127 | 24 | | Jun 2007 | 7,789 | 27 | | May 2007 | 8,788 | 26 | | Apr 2007 | 8,106 | 24 | | Mar 2007 | 8,020 | 28 | | Feb 2007 | 6,609 | 24 | | Jan 2007 | 6,399 | 25 | | Dec 2006 | 11,897 | 26 | | Nov 2006 | 9,209 | | | Oct 2006 | 6,431 | 25 | | Sep 2006 | 8,004 | 26 | | Jul 2006 | 7,005 | 25 | | Jun 2006 | 8,039 | 26 | | May 2006 | 7,120 | 25 | | Apr 2006 | 7,412 | 26 | | Mar 2006 | 6,994 | 27 | | Feb 2006 | 4,806 | | | Jan 2006 | 6,084 | 24 | | Dec 2005 | 8,842 | | | Nov 2005 | 7,909 | | | Oct 2005 | 6,659 | | | Sep 2005 | 7,854 | 25 | | Jul 2005 | 7,190 | 26 |
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