Year	Dollars
1992-01-01	276769256
1997-01-01	714579398
2002-01-01	485882520
2003-01-01	499649848
2004-01-01	919543225
2005-01-01	769748570
2006-01-01	735473738
2007-01-01	1008524250
2008-01-01	701343463
2009-01-01	616056799
2010-01-01	893520160
2011-01-01	870505107
2012-01-01	895934560
2013-01-01	817999803
2014-01-01	621259477
2015-01-01	655354043
2016-01-01	651526368