Year	Dollars
1992-01-01	1434382
1997-01-01	9572997
2002-01-01	10234105
2003-01-01	7455223
2004-01-01	7285736
2005-01-01	13103402
2006-01-01	14123281
2007-01-01	13631330
2008-01-01	12332407
2009-01-01	24767204
2010-01-01	23682272
2011-01-01	27525514
2012-01-01	36633849
2013-01-01	42252774
2014-01-01	48139945
2015-01-01	38219101
2016-01-01	39645508