Year	Dollars
1992-01-01	245298868
1997-01-01	577676007
2002-01-01	301221857
2003-01-01	431995541
2004-01-01	578155703
2005-01-01	752237567
2006-01-01	873426854
2007-01-01	982907631
2008-01-01	1568116291
2009-01-01	1008154120
2010-01-01	1590237140
2011-01-01	2439269405
2012-01-01	2551279924
2013-01-01	3037286462
2014-01-01	3359693905
2015-01-01	2629402700
2016-01-01	2178208847