Year Dollars 1992-01-01 1570051 1997-01-01 4093472 2003-01-01 3711008 2004-01-01 7515631 2005-01-01 13597770 2006-01-01 9575579 2007-01-01 6636932 2008-01-01 4626182 2009-01-01 6193645 2010-01-01 8940437 2011-01-01 11550353 2012-01-01 8647900 2013-01-01 9066791 2014-01-01 8539645 2015-01-01 9560278 2016-01-01 9550477