Year	Dollars
1992-01-01	66609784
1997-01-01	90741642
2002-01-01	77528014
2003-01-01	111193047
2004-01-01	233142809
2005-01-01	474661021
2006-01-01	231756293
2007-01-01	268997796
2008-01-01	179304510
2009-01-01	129099103
2010-01-01	235565758
2011-01-01	242373141
2012-01-01	221821048
2013-01-01	165714811
2014-01-01	173485024
2015-01-01	180212177
2016-01-01	143315818