Year	Dollars
1992-01-01	231934102
1997-01-01	113664617
2002-01-01	146677262
2003-01-01	135001060
2004-01-01	161489159
2005-01-01	109809699
2006-01-01	193423588
2007-01-01	214214921
2008-01-01	317049253
2009-01-01	199425756
2010-01-01	136166810
2011-01-01	227685315
2012-01-01	274129300
2013-01-01	266186576
2014-01-01	230238719
2015-01-01	225380898
2016-01-01	318066095