Year	Dollars
1992-01-01	4561613
1997-01-01	1619716
2002-01-01	7553567
2003-01-01	10622791
2004-01-01	8111620
2005-01-01	10189298
2006-01-01	16311738
2007-01-01	26289350
2008-01-01	27489029
2009-01-01	30556779
2010-01-01	31114931
2011-01-01	24289088
2012-01-01	18771585
2013-01-01	22131323
2014-01-01	24860303
2015-01-01	20790916
2016-01-01	42526959