Year	Dollars
1992-01-01	1221877372
1997-01-01	2057732376
2002-01-01	2451809632
2003-01-01	2573773372
2004-01-01	3149096924
2005-01-01	3288998776
2006-01-01	3828510465
2007-01-01	4447776294
2008-01-01	5362062038
2009-01-01	4944105206
2010-01-01	4646389924
2011-01-01	4876349016
2012-01-01	6806256632
2013-01-01	6487142261
2014-01-01	6334388884
2015-01-01	5420730804
2016-01-01	5254559581