Year	Dollars
1992-01-01	22450373
1997-01-01	33493383
2002-01-01	77373838
2003-01-01	92067197
2004-01-01	119810634
2005-01-01	186671344
2006-01-01	232087181
2007-01-01	270875346
2008-01-01	354388743
2009-01-01	368645898
2010-01-01	591751146
2011-01-01	563399316
2012-01-01	661321304
2013-01-01	542728846
2014-01-01	877509015
2015-01-01	1016282180
2016-01-01	462412749