Year Dollars 1992-01-01 562780553 1997-01-01 770193303 2002-01-01 792747365 2003-01-01 754626175 2004-01-01 812024372 2005-01-01 944267065 2006-01-01 1037638508 2007-01-01 1275018008 2008-01-01 1319371770 2009-01-01 1169777533 2010-01-01 1180709505 2011-01-01 1582587701 2012-01-01 1391625344 2013-01-01 1289158608 2014-01-01 1680409737 2015-01-01 2255463785 2016-01-01 2054469481