Year	Dollars
1992-01-01	100430820
1997-01-01	83025506
2002-01-01	77703373
2003-01-01	118450770
2004-01-01	163519439
2005-01-01	162940649
2006-01-01	200099358
2007-01-01	226763146
2008-01-01	108144661
2009-01-01	231534723
2010-01-01	400683634
2011-01-01	629867560
2012-01-01	463605133
2013-01-01	483902150
2014-01-01	612745400
2015-01-01	484219479
2016-01-01	418047428