Year	Dollars
1992-01-01	143251554
1997-01-01	168616699
2002-01-01	183947379
2003-01-01	216483021
2004-01-01	336044790
2005-01-01	292766968
2006-01-01	368529725
2007-01-01	533130577
2008-01-01	869964071
2009-01-01	1006569992
2010-01-01	1788647889
2011-01-01	1998128867
2012-01-01	2268772110
2013-01-01	2765435318
2014-01-01	1549396014
2015-01-01	956474212
2016-01-01	885202304