Year	Dollars
1992-01-01	4978282
1997-01-01	12121509
2002-01-01	29341445
2003-01-01	53376127
2004-01-01	16695598
2005-01-01	52839089
2006-01-01	93394684
2007-01-01	286070359
2008-01-01	202942071
2009-01-01	171660782
2010-01-01	171260885
2011-01-01	188215633
2012-01-01	110378010
2013-01-01	371766522
2014-01-01	302534354
2015-01-01	234404079
2016-01-01	129248973