Year	Dollars
1992-01-01	22587859
1997-01-01	19078662
2002-01-01	9867664
2003-01-01	14490269
2004-01-01	19810118
2005-01-01	11049804
2006-01-01	10063554
2007-01-01	11606752
2008-01-01	34691008
2009-01-01	14216314
2010-01-01	19486694
2011-01-01	10763677
2012-01-01	11006150
2013-01-01	7856272
2014-01-01	11387513
2015-01-01	8237338
2016-01-01	8864294