Year	Dollars
1992-01-01	10267531
1997-01-01	35013335
2002-01-01	116138215
2003-01-01	158603123
2004-01-01	151785627
2005-01-01	157518378
2006-01-01	186993309
2007-01-01	271104562
2008-01-01	225926225
2009-01-01	91111853
2010-01-01	156169204
2011-01-01	275985308
2012-01-01	263966533
2013-01-01	228067366
2014-01-01	178276956
2015-01-01	128964459
2016-01-01	115238673