Year	Dollars
1992-01-01	3675458
1997-01-01	1632476
2002-01-01	2400319
2003-01-01	4474244
2004-01-01	6497329
2005-01-01	11882816
2006-01-01	12178966
2007-01-01	58618406
2008-01-01	248312348
2009-01-01	126688314
2010-01-01	331181018
2011-01-01	262498748
2012-01-01	88842016
2013-01-01	72872801
2014-01-01	33305255
2015-01-01	18478588
2016-01-01	16924562