Year	Dollars
1992-01-01	155145286
1997-01-01	182534088
2002-01-01	292944556
2003-01-01	401235265
2004-01-01	310565695
2005-01-01	341109512
2006-01-01	508746600
2007-01-01	678133241
2008-01-01	606543894
2009-01-01	516119542
2010-01-01	602864184
2011-01-01	451575272
2012-01-01	447957718
2013-01-01	470555942
2014-01-01	736862258
2015-01-01	526685754
2016-01-01	455660222