Year	Dollars
1992-01-01	18306927
1997-01-01	160521333
2002-01-01	139361971
2003-01-01	174865272
2004-01-01	135316933
2005-01-01	99349076
2006-01-01	97341351
2007-01-01	82802112
2008-01-01	127625102
2009-01-01	98946820
2010-01-01	114656099
2011-01-01	74154943
2012-01-01	80293438
2013-01-01	107668621
2014-01-01	226080779
2015-01-01	284810074
2016-01-01	181378797