| | Volume | Selling Days in Month | | Apr 2013 | 13,230 | 25 | | Mar 2013 | 15,751 | 27 | | Feb 2013 | 13,845 | 24 | | Jan 2013 | 13,116 | 25 | | Dec 2012 | 18,248 | 26 | | Nov 2012 | 14,517 | 25 | | Oct 2012 | 13,505 | 26 | | Sep 2012 | 12,579 | 25 | | Aug 2012 | 14,704 | 27 | | Jul 2012 | 13,417 | 24 | | Jun 2012 | 12,124 | 27 | | May 2012 | 9,871 | 26 | | Apr 2012 | 9,851 | 24 | | Mar 2012 | 10,537 | 28 | | Feb 2012 | 11,505 | 25 | | Jan 2012 | 8,924 | | | Dec 2011 | 16,259 | 27 | | Nov 2011 | 11,145 | 25 | | Oct 2011 | 11,795 | 26 | | Sep 2011 | 12,741 | 25 | | Aug 2011 | 13,208 | 26 | | Jul 2011 | 11,119 | 26 | | Jun 2011 | 10,860 | 26 | | May 2011 | 11,623 | 24 | | Apr 2011 | 13,127 | 27 | | Mar 2011 | 12,164 | 27 | | Feb 2011 | 15,768 | 24 | | Jan 2011 | 12,580 | | | Dec 2010 | 16,718 | 27 | | Nov 2010 | 11,801 | 24 | | Oct 2010 | 13,393 | 27 | | Sep 2010 | 12,620 | 25 | | Aug 2010 | 12,689 | 25 | | Jul 2010 | 14,919 | 27 | | Jun 2010 | 11,788 | 25 | | May 2010 | 12,382 | 26 | | Apr 2010 | 11,317 | 26 | | Mar 2010 | 11,639 | 26 | | Feb 2010 | 9,273 | 24 | | Jan 2010 | 8,440 | 24 | | Dec 2009 | 14,745 | 28 | | Nov 2009 | 9,721 | 23 | | Oct 2009 | 11,602 | 28 | | Sep 2009 | 11,339 | 25 | | Aug 2009 | 6,931 | 26 | | Jul 2009 | 6,171 | 26 | | Jun 2009 | 8,473 | 25 | | May 2009 | 8,027 | 26 | | Apr 2009 | 8,337 | 26 | | Mar 2009 | 8,209 | 25 | | Feb 2009 | 4,666 | 24 | | Jan 2009 | 8,499 | 26 | | Dec 2008 | 13,235 | 26 | | Nov 2008 | 8,815 | 25 | | Oct 2008 | 9,541 | 27 | | Sep 2008 | 12,432 | 24 | | Aug 2008 | 15,405 | 27 | | Jul 2008 | 13,022 | 26 | | Jun 2008 | 14,337 | 24 | | May 2008 | 13,348 | 27 | | Apr 2008 | 14,359 | | | Mar 2008 | 17,453 | 26 | | Feb 2008 | 14,420 | 25 | | Jan 2008 | 14,792 | 25 | | Dec 2007 | 21,436 | 26 | | Nov 2007 | 17,041 | | | Oct 2007 | 21,267 | | | Sep 2007 | 20,398 | 25 | | Aug 2007 | 19,481 | | | Jul 2007 | 17,412 | 24 | | Jun 2007 | 16,647 | 27 | | May 2007 | 17,380 | 26 | | Apr 2007 | 16,839 | 24 | | Mar 2007 | 18,944 | 28 | | Feb 2007 | 14,142 | 24 | | Jan 2007 | 13,740 | 25 | | Dec 2006 | 22,715 | 26 | | Nov 2006 | 17,250 | | | Oct 2006 | 15,541 | 25 | | Sep 2006 | 20,217 | 26 | | Aug 2006 | 20,036 | 27 | | Jul 2006 | 19,124 | 25 | | Jun 2006 | 23,265 | 26 | | May 2006 | 18,510 | 25 | | Apr 2006 | 17,916 | 26 | | Mar 2006 | 19,945 | 27 | | Feb 2006 | 16,251 | | | Jan 2006 | 14,733 | 24 | | Dec 2005 | 22,946 | | | Nov 2005 | 14,339 | | | Oct 2005 | 14,917 | | | Sep 2005 | 16,507 | 25 | | Aug 2005 | 19,262 | 26 | | Jul 2005 | 25,431 | 26 |
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