Year	Dollars
1992-01-01	1497541
1997-01-01	1917435
2002-01-01	4547958
2003-01-01	5427840
2004-01-01	4949810
2005-01-01	4348514
2006-01-01	23668319
2007-01-01	21314221
2008-01-01	20373204
2009-01-01	27161075
2010-01-01	23990967
2011-01-01	28984572
2012-01-01	23828076
2013-01-01	19751704
2014-01-01	18140785
2015-01-01	18097226
2016-01-01	20571328