| | Volume | Selling Days
in Month | | Apr 2013 | 63,315 | 25 | | Mar 2013 | 68,306 | 27 | | Feb 2013 | 52,311 | 24 | | Jan 2013 | 43,713 | 25 | | Dec 2012 | 59,435 | 26 | | Nov 2012 | 53,487 | 25 | | Oct 2012 | 50,271 | 26 | | Sep 2012 | 60,025 | 25 | | Aug 2012 | 61,099 | 27 | | Jul 2012 | 62,021 | 24 | | Jun 2012 | 63,813 | 27 | | May 2012 | 67,019 | 26 | | Apr 2012 | 62,264 | 24 | | Mar 2012 | 69,728 | 28 | | Feb 2012 | 51,151 | 25 | | Jan 2012 | 42,694 | | | Dec 2011 | 50,765 | 27 | | Nov 2011 | 49,610 | 25 | | Oct 2011 | 52,402 | 26 | | Sep 2011 | 52,051 | 25 | | Aug 2011 | 58,505 | 26 | | Jul 2011 | 59,561 | 26 | | Jun 2011 | 59,209 | 26 | | May 2011 | 59,214 | 24 | | Apr 2011 | 61,754 | 27 | | Mar 2011 | 61,873 | 27 | | Feb 2011 | 43,533 | 24 | | Jan 2011 | 37,214 | | | Dec 2010 | 44,802 | 27 | | Nov 2010 | 40,723 | 24 | | Oct 2010 | 42,656 | 27 | | Sep 2010 | 46,556 | 25 | | Aug 2010 | 53,603 | 25 | | Jul 2010 | 54,106 | 27 | | Jun 2010 | 51,205 | 25 | | May 2010 | 49,045 | 26 | | Apr 2010 | 44,023 | 26 | | Mar 2010 | 47,002 | 26 | | Feb 2010 | 34,004 | 24 | | Jan 2010 | 30,503 | 24 | | Dec 2009 | 33,797 | 28 | | Nov 2009 | 28,045 | 23 | | Oct 2009 | 31,005 | 28 | | Sep 2009 | 31,511 | 25 | | Aug 2009 | 60,467 | 26 | | Jul 2009 | 45,553 | 26 | | Jun 2009 | 37,943 | 25 | | May 2009 | 36,937 | 26 | | Apr 2009 | 33,952 | 26 | | Mar 2009 | 40,721 | 25 | | Feb 2009 | 30,621 | 24 | | Jan 2009 | 24,512 | 26 | | Nov 2008 | 19,221 | 25 | | Oct 2008 | 20,820 | 27 | | Sep 2008 | 24,765 | 24 | | Aug 2008 | 41,130 | 27 | | Jul 2008 | 40,703 | 26 | | Jun 2008 | 50,033 | 24 | | May 2008 | 46,415 | 27 | | Apr 2008 | 39,280 | | | Mar 2008 | 42,796 | 26 | | Feb 2008 | 31,090 | 25 | | Jan 2008 | 21,452 | 25 | | Dec 2007 | 46,487 | 26 | | Nov 2007 | 31,883 | | | Oct 2007 | 30,232 | | | Sep 2007 | 33,214 | 25 | | Aug 2007 | 45,087 | | | Jul 2007 | 43,511 | 24 | | Jun 2007 | 49,368 | 27 | | Apr 2007 | 39,137 | 24 | | Mar 2007 | 41,984 | 28 | | Feb 2007 | 34,500 | 24 | | Jan 2007 | 27,721 | 25 | | Dec 2006 | 43,021 | 26 | | Nov 2006 | 28,417 | | | Oct 2006 | 30,479 | 25 | | Sep 2006 | 33,384 | 26 | | Aug 2006 | 44,635 | 27 | | Jul 2006 | 47,205 | 25 | | Jun 2006 | 44,508 | 26 | | Apr 2006 | 41,025 | 26 | | Mar 2006 | 41,766 | 27 | | Feb 2006 | 34,014 | | | Jan 2006 | 30,208 | 24 | | Dec 2005 | 37,365 | | | Nov 2005 | 33,383 | | | Oct 2005 | 29,413 | | | Sep 2005 | 38,214 | 25 | | Aug 2005 | 42,113 | 26 | | Jul 2005 | 44,431 | 26 |
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