Year	Dollars
1992-01-01	40502073
1997-01-01	184390993
2002-01-01	87087554
2003-01-01	71803589
2004-01-01	127730680
2005-01-01	161779708
2006-01-01	138031151
2007-01-01	172158082
2008-01-01	209251946
2009-01-01	136020490
2010-01-01	176119705
2011-01-01	258488958
2012-01-01	294997747
2013-01-01	374271678
2014-01-01	294063681
2015-01-01	187007332
2016-01-01	141822936