Year Dollars 1992-01-01 353773 1997-01-01 135673 2002-01-01 465105 2003-01-01 428843 2004-01-01 929561 2005-01-01 2962498 2006-01-01 2604534 2007-01-01 3323633 2008-01-01 2943863 2009-01-01 3757756 2010-01-01 2922869 2011-01-01 2635447 2012-01-01 2262310 2013-01-01 1810555 2014-01-01 1450478 2015-01-01 2276745 2016-01-01 2503820