Year	Dollars
1992-01-01	19957868
1997-01-01	15527166
2002-01-01	11350514
2003-01-01	16569179
2004-01-01	35181646
2005-01-01	18833621
2006-01-01	41299767
2007-01-01	90777598
2008-01-01	184299038
2009-01-01	72428954
2010-01-01	104527475
2011-01-01	166818815
2012-01-01	58323097
2013-01-01	59916671
2014-01-01	79258686
2015-01-01	52890296
2016-01-01	36778466