Year Dollars 1997-01-01 7034850 2002-01-01 2853734 2003-01-01 1483041 2004-01-01 292324 2005-01-01 260514 2006-01-01 3497649 2007-01-01 1216115 2008-01-01 1432824 2009-01-01 1251788 2010-01-01 618112 2011-01-01 13095374 2012-01-01 6579166 2013-01-01 7480724 2014-01-01 10832458 2015-01-01 10381690 2016-01-01 5056405