Year	Dollars
1992-01-01	10178670
1997-01-01	8754261
2002-01-01	11867675
2003-01-01	16055015
2004-01-01	21058780
2005-01-01	26924216
2006-01-01	24406875
2007-01-01	23288950
2008-01-01	65395054
2009-01-01	60105685
2010-01-01	64661893
2011-01-01	26791509
2012-01-01	28211456
2013-01-01	39057400
2014-01-01	20321249
2015-01-01	15079483
2016-01-01	21250281