Year	Dollars
1992-01-01	58467691
1997-01-01	77175928
2002-01-01	92055436
2003-01-01	108840507
2004-01-01	201415244
2005-01-01	130123649
2006-01-01	131334238
2007-01-01	328785609
2008-01-01	258035082
2009-01-01	255052779
2010-01-01	164227897
2011-01-01	199057316
2012-01-01	150519247
2013-01-01	198453760
2014-01-01	147847478
2015-01-01	217714770
2016-01-01	231903232