Year	Dollars
1992-01-01	4010634
1997-01-01	10775691
2002-01-01	10431842
2003-01-01	16946854
2004-01-01	30442762
2005-01-01	37584183
2006-01-01	24463812
2007-01-01	18134234
2008-01-01	30103627
2009-01-01	20751458
2010-01-01	27911083
2011-01-01	41231654
2012-01-01	37059847
2013-01-01	36971480
2014-01-01	37617949
2015-01-01	36383902
2016-01-01	34977539