Year Dollars 1992-01-01 216967027 1997-01-01 303194006 2002-01-01 503835432 2003-01-01 539334344 2004-01-01 520144960 2005-01-01 471140529 2006-01-01 714474957 2007-01-01 716106657 2008-01-01 805928416 2009-01-01 635397775 2010-01-01 705777579 2011-01-01 725406307 2012-01-01 1161212615 2013-01-01 1183195939 2014-01-01 837074260 2015-01-01 780446056 2016-01-01 809639112