| | Volume | Selling Days in Month | | May 2013 | 17,982 | 26 | | Apr 2013 | 17,157 | 25 | | Mar 2013 | 18,007 | 27 | | Feb 2013 | 16,150 | 24 | | Jan 2013 | 13,463 | 25 | | Dec 2012 | 16,473 | 26 | | Nov 2012 | 13,289 | 25 | | Oct 2012 | 13,384 | 26 | | Sep 2012 | 14,673 | 25 | | Aug 2012 | 18,000 | 27 | | Jul 2012 | 14,391 | 24 | | Jun 2012 | 18,851 | 27 | | May 2012 | 18,565 | 26 | | Apr 2012 | 15,446 | 24 | | Mar 2012 | 13,105 | 28 | | Feb 2012 | 14,023 | 25 | | Jan 2012 | 10,208 | | | Dec 2011 | 14,974 | 27 | | Nov 2011 | 10,880 | 25 | | Oct 2011 | 11,687 | 26 | | Sep 2011 | 13,599 | 25 | | Aug 2011 | 16,021 | 26 | | Jul 2011 | 16,873 | 26 | | Jun 2011 | 14,868 | 26 | | May 2011 | 15,579 | 24 | | Apr 2011 | 18,413 | 27 | | Mar 2011 | 15,663 | 27 | | Feb 2011 | 15,807 | 24 | | Jan 2011 | 13,269 | | | Dec 2010 | 17,095 | 27 | | Nov 2010 | 11,725 | 24 | | Oct 2010 | 12,569 | 27 | | Sep 2010 | 12,875 | 25 | | Aug 2010 | 14,294 | 25 | | Jul 2010 | 16,799 | 27 | | Jun 2010 | 13,133 | 25 | | May 2010 | 12,582 | 26 | | Apr 2010 | 12,181 | 26 | | Mar 2010 | 12,954 | 26 | | Feb 2010 | 9,121 | 24 | | Jan 2010 | 10,061 | 24 | | Dec 2009 | 12,237 | 28 | | Nov 2009 | 8,627 | 23 | | Oct 2009 | 9,053 | 28 | | Sep 2009 | 9,455 | 25 | | Aug 2009 | 8,612 | 26 | | Jul 2009 | 7,099 | 26 | | Jun 2009 | 8,601 | 25 | | May 2009 | 9,160 | 26 | | Apr 2009 | 8,928 | 26 | | Mar 2009 | 7,369 | 25 | | Feb 2009 | 6,196 | 24 | | Jan 2009 | 6,969 | 26 | | Dec 2008 | 8,909 | 26 | | Nov 2008 | 7,516 | 25 | | Oct 2008 | 7,642 | 27 | | Sep 2008 | 14,121 | 24 | | Aug 2008 | 17,833 | 27 | | Jul 2008 | 10,013 | 26 | | Jun 2008 | 9,631 | 24 | | May 2008 | 11,033 | 27 | | Apr 2008 | 12,665 | | | Mar 2008 | 12,317 | 26 | | Feb 2008 | 12,768 | 25 | | Jan 2008 | 12,749 | 25 | | Dec 2007 | 14,400 | 26 | | Nov 2007 | 13,245 | | | Oct 2007 | 14,231 | | | Sep 2007 | 17,754 | 25 | | Aug 2007 | 19,324 | | | Jul 2007 | 16,654 | 24 | | Jun 2007 | 16,519 | 27 | | May 2007 | 17,087 | 26 | | Apr 2007 | 13,234 | 24 | | Mar 2007 | 16,222 | 28 | | Feb 2007 | 15,108 | 24 | | Jan 2007 | 12,013 | 25 | | Dec 2006 | 15,986 | 26 | | Nov 2006 | 18,089 | | | Oct 2006 | 15,541 | 25 | | Sep 2006 | 19,463 | 26 | | Aug 2006 | 22,853 | 27 | | Jul 2006 | 23,609 | 25 | | Jun 2006 | 23,738 | 26 | | May 2006 | 19,533 | 25 | | Apr 2006 | 19,971 | 26 | | Mar 2006 | 23,276 | 27 | | Feb 2006 | 21,425 | | | Jan 2006 | 17,173 | 24 | | Dec 2005 | 22,002 | | | Nov 2005 | 16,208 | | | Oct 2005 | 13,462 | | | Sep 2005 | 21,050 | 25 | | Aug 2005 | 23,094 | 26 | | Jul 2005 | 37,618 | 26 |
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