Year	Dollars
1992-01-01	25161048
1997-01-01	45333380
2002-01-01	41553354
2003-01-01	55285602
2004-01-01	160148510
2005-01-01	238167162
2006-01-01	200582825
2007-01-01	155676029
2008-01-01	427245519
2009-01-01	298434906
2010-01-01	152563353
2011-01-01	191467848
2012-01-01	187601483
2013-01-01	202571176
2014-01-01	206126990
2015-01-01	182845019
2016-01-01	170473790