Year	Dollars
1992-01-01	63411580
1997-01-01	104423618
2002-01-01	168731949
2003-01-01	93927579
2004-01-01	134544027
2005-01-01	168758498
2006-01-01	247594717
2007-01-01	311500985
2008-01-01	347179150
2009-01-01	403751848
2010-01-01	502523464
2011-01-01	606863408
2012-01-01	816195088
2013-01-01	720132362
2014-01-01	704313876
2015-01-01	535867534
2016-01-01	551000510