Year	Dollars
1992-01-01	213286507
1997-01-01	233985584
2002-01-01	89106005
2003-01-01	147970814
2004-01-01	154721794
2005-01-01	329907830
2006-01-01	601164373
2007-01-01	198062856
2008-01-01	2327416021
2009-01-01	1032728633
2010-01-01	1245643495
2011-01-01	1330538723
2012-01-01	759981646
2013-01-01	590575619
2014-01-01	583284045
2015-01-01	617503819
2016-01-01	494652372