Year	Dollars
1992-01-01	20089021
1997-01-01	64605645
2002-01-01	80586343
2003-01-01	102848458
2004-01-01	101367507
2005-01-01	90752863
2006-01-01	61457939
2007-01-01	112667870
2008-01-01	135336537
2009-01-01	127268482
2010-01-01	138408853
2011-01-01	225979638
2012-01-01	207675075
2013-01-01	545802149
2014-01-01	816681431
2015-01-01	242478279
2016-01-01	206411967