Year	Dollars
1992-01-01	1570361060
1997-01-01	3640229077
2002-01-01	2392615245
2003-01-01	2507744282
2004-01-01	3149913156
2005-01-01	4084145803
2006-01-01	3670532925
2007-01-01	3265832452
2008-01-01	3423881411
2009-01-01	3011400124
2010-01-01	4101781245
2011-01-01	4078389468
2012-01-01	3963974277
2013-01-01	3841746361
2014-01-01	3493131629
2015-01-01	3035018490
2016-01-01	2820339315