Year Dollars 2004-01-01 339131 2006-01-01 703873 2007-01-01 1007766 2008-01-01 929594 2009-01-01 1422023 2010-01-01 1216680 2011-01-01 1945039 2012-01-01 1334005 2013-01-01 6424929 2014-01-01 4177833 2015-01-01 4297048 2016-01-01 3622493