Year	Dollars
1992-01-01	7623818
1997-01-01	5483149
2002-01-01	10432273
2003-01-01	30321141
2004-01-01	33893865
2005-01-01	38351550
2006-01-01	33694439
2007-01-01	41337456
2008-01-01	41326470
2009-01-01	47660562
2010-01-01	75689865
2011-01-01	73098994
2012-01-01	52844515
2013-01-01	59708168
2014-01-01	55748329
2015-01-01	47472251
2016-01-01	55379983