Year	Dollars
1992-01-01	62721457
1997-01-01	137657161
2002-01-01	139034224
2003-01-01	173839548
2004-01-01	171690583
2005-01-01	178843787
2006-01-01	251223954
2007-01-01	301266165
2008-01-01	392974638
2009-01-01	293727357
2010-01-01	241091898
2011-01-01	510117807
2012-01-01	349627460
2013-01-01	417471787
2014-01-01	419877531
2015-01-01	341957716
2016-01-01	333048368