Year	Dollars
1992-01-01	353033598
1997-01-01	431408207
2002-01-01	247598237
2003-01-01	287156468
2004-01-01	330431887
2005-01-01	290952386
2006-01-01	277864033
2007-01-01	436511982
2008-01-01	1087158722
2009-01-01	718930364
2010-01-01	657209165
2011-01-01	639687665
2012-01-01	1279333502
2013-01-01	1103452171
2014-01-01	1278146879
2015-01-01	735290716
2016-01-01	839748671