Year	Dollars
1992-01-01	1256563456
1997-01-01	1138960532
2002-01-01	2799586054
2003-01-01	2991433144
2004-01-01	3399464932
2005-01-01	4270272332
2006-01-01	4760836638
2007-01-01	4878047294
2008-01-01	5581641600
2009-01-01	4288918142
2010-01-01	4755632657
2011-01-01	5584117604
2012-01-01	5890796936
2013-01-01	6690068442
2014-01-01	8309578485
2015-01-01	8801758164
2016-01-01	8035818788