Year	Dollars
1992-01-01	261116045
1997-01-01	251559914
2002-01-01	191850567
2003-01-01	211268038
2004-01-01	277417381
2005-01-01	278533713
2006-01-01	284041826
2007-01-01	426339775
2008-01-01	424343957
2009-01-01	305307540
2010-01-01	282511175
2011-01-01	305929622
2012-01-01	282354154
2013-01-01	324804951
2014-01-01	311542809
2015-01-01	306539364
2016-01-01	297909931