Year	Dollars
1992-01-01	1104575164
1997-01-01	2170835234
2002-01-01	3216229061
2003-01-01	3461687750
2004-01-01	3584725528
2005-01-01	4038790226
2006-01-01	3884494576
2007-01-01	3595031446
2008-01-01	3907869817
2009-01-01	3368469822
2010-01-01	4242440473
2011-01-01	5380779688
2012-01-01	5610527833
2013-01-01	5211943786
2014-01-01	5338076232
2015-01-01	5114780852
2016-01-01	4654238630