Year	Dollars
1992-01-01	13668475602
1997-01-01	19790691941
2002-01-01	38309794530
2003-01-01	37922841459
2004-01-01	41680063436
2005-01-01	45840169020
2006-01-01	49599431905
2007-01-01	51395889051
2008-01-01	57676146764
2009-01-01	52164371773
2010-01-01	68130524762
2011-01-01	82641230534
2012-01-01	89139965797
2013-01-01	95320563808
2014-01-01	97412103048
2015-01-01	87955963244
2016-01-01	87767001901