Year	Dollars
1992-01-01	1199155124
1997-01-01	3097415113
2002-01-01	1250577335
2003-01-01	1349652127
2004-01-01	1368862586
2005-01-01	1801228455
2006-01-01	3147895952
2007-01-01	3581125406
2008-01-01	3622093485
2009-01-01	2739346349
2010-01-01	3936382416
2011-01-01	4526289949
2012-01-01	5501516156
2013-01-01	9761542701
2014-01-01	8161264959
2016-01-01	5779578007