Year	Dollars
1992-01-01	4969846
1997-01-01	6690195
2002-01-01	11906912
2006-01-01	8319110
2007-01-01	10057426
2008-01-01	8569389
2009-01-01	7287988
2010-01-01	8131257
2011-01-01	7353023
2012-01-01	10644630
2013-01-01	16693509
2014-01-01	19324027
2015-01-01	17005104
2016-01-01	17628691