Year	Dollars
1992-01-01	16856614
1997-01-01	55173915
2002-01-01	102964662
2003-01-01	149353864
2004-01-01	147223283
2005-01-01	152178072
2006-01-01	167635198
2007-01-01	199347106
2008-01-01	270202607
2009-01-01	230444870
2010-01-01	223511336
2011-01-01	281156841
2012-01-01	263789260
2013-01-01	373536729
2014-01-01	805302645
2015-01-01	574256604
2016-01-01	590311242