Year	Dollars
1992-01-01	680935503
1997-01-01	276990176
2002-01-01	259496822
2003-01-01	328916226
2004-01-01	284143419
2005-01-01	324006192
2006-01-01	464049479
2007-01-01	1367238731
2008-01-01	1086001822
2009-01-01	1725149576
2010-01-01	1024585493
2011-01-01	2035154142
2012-01-01	2083678287
2013-01-01	2661462631
2014-01-01	1934414397
2015-01-01	1569648420
2016-01-01	927271146