Year	Dollars
1992-01-01	2860415
1997-01-01	5282785
2002-01-01	7590200
2003-01-01	9634379
2004-01-01	20087893
2005-01-01	30369190
2006-01-01	34411600
2007-01-01	40881673
2008-01-01	88328903
2009-01-01	106789253
2010-01-01	112879904
2011-01-01	69485696
2012-01-01	62538972
2013-01-01	50389774
2014-01-01	53402004
2015-01-01	60870397
2016-01-01	54770068