Year	Dollars
1992-01-01	2128313282
1997-01-01	3765816351
2002-01-01	4595510123
2003-01-01	4152546356
2004-01-01	4452917020
2005-01-01	6097322574
2006-01-01	8075077439
2007-01-01	9788955636
2008-01-01	11963810397
2009-01-01	8021501266
2010-01-01	8887782583
2011-01-01	9955873491
2012-01-01	9813761974
2013-01-01	10011919891
2014-01-01	9977250804
2015-01-01	8909919908
2016-01-01	8438206485