Year	Dollars
1992-01-01	1683024931
1997-01-01	3134416654
2002-01-01	2927937062
2003-01-01	2911602292
2004-01-01	3166183015
2005-01-01	3688500171
2006-01-01	4741397915
2007-01-01	5281955015
2008-01-01	5534630074
2009-01-01	4430044432
2010-01-01	5007515804
2011-01-01	5709987239
2012-01-01	5522820934
2013-01-01	5517046699
2014-01-01	5591205672
2015-01-01	5241930759
2016-01-01	4939186304