Year Dollars 1992-01-01 301537039 1997-01-01 618683832 2002-01-01 292531802 2003-01-01 513056106 2004-01-01 634144509 2005-01-01 654592859 2006-01-01 741343991 2007-01-01 1092833980 2008-01-01 1473589821 2009-01-01 1343960346 2010-01-01 1677994665 2011-01-01 3417847559 2012-01-01 2504352709 2013-01-01 2894855859 2014-01-01 2089612062