Year	Dollars
1992-01-01	3376315
1997-01-01	28181378
2002-01-01	34856298
2003-01-01	21932275
2004-01-01	44496330
2005-01-01	40424079
2006-01-01	37451809
2007-01-01	19322034
2008-01-01	45326526
2009-01-01	20693325
2010-01-01	67217705
2011-01-01	107997500
2012-01-01	49293024
2013-01-01	65814632
2014-01-01	35415208
2015-01-01	35555699
2016-01-01	41011264