Year	Dollars
1992-01-01	25905099
1997-01-01	41118701
2002-01-01	108414534
2003-01-01	103473810
2004-01-01	118058978
2005-01-01	183869341
2006-01-01	257151203
2007-01-01	274520800
2008-01-01	530396262
2009-01-01	246217905
2010-01-01	285107593
2011-01-01	275716393
2012-01-01	341541471
2013-01-01	389962269
2014-01-01	566247783
2015-01-01	622158158
2016-01-01	609339611