Year	Dollars
1992-01-01	24098408
1997-01-01	58053289
2002-01-01	39168595
2003-01-01	31437921
2004-01-01	46455092
2005-01-01	65299583
2006-01-01	88674376
2007-01-01	111211890
2008-01-01	86236757
2009-01-01	68685618
2010-01-01	105839861
2011-01-01	121038216
2012-01-01	146585755
2013-01-01	134141100
2014-01-01	122885071
2015-01-01	139889455
2016-01-01	100624540