Year	Dollars
1992-01-01	721689683
1997-01-01	1266690325
2002-01-01	1136889982
2003-01-01	1224208898
2004-01-01	1601710846
2005-01-01	1940877597
2006-01-01	2352042060
2007-01-01	3149866200
2008-01-01	3387717744
2009-01-01	2677021432
2010-01-01	4046451051
2011-01-01	7572938524
2012-01-01	7369121594
2013-01-01	8321055861
2014-01-01	9996788211
2015-01-01	8719868922
2016-01-01	6251289682