Year	Dollars
1992-01-01	34798766
1997-01-01	195889355
2002-01-01	209613572
2003-01-01	246152768
2004-01-01	289062733
2005-01-01	269825615
2006-01-01	278739384
2007-01-01	280231944
2008-01-01	417923939
2009-01-01	330913774
2010-01-01	496500764
2011-01-01	632165482
2012-01-01	702425952
2013-01-01	745703725
2014-01-01	824927973
2015-01-01	716928381
2016-01-01	481391712