Year	Dollars
1992-01-01	41208841
1997-01-01	86982854
2002-01-01	89775708
2003-01-01	97728736
2004-01-01	74282328
2005-01-01	61519116
2006-01-01	65865134
2007-01-01	69041909
2008-01-01	228843583
2009-01-01	158704267
2010-01-01	94424635
2011-01-01	216140112
2012-01-01	108885302
2013-01-01	77871690
2014-01-01	126219868
2015-01-01	85872964
2016-01-01	70793628