Year	Dollars
1992-01-01	4758863
1997-01-01	9954704
2002-01-01	1665396
2003-01-01	2682992
2004-01-01	5043682
2005-01-01	2525042
2006-01-01	2366456
2007-01-01	7338914
2008-01-01	10567015
2009-01-01	3571318
2010-01-01	6190154
2011-01-01	7151277
2012-01-01	42060823
2013-01-01	153062060
2014-01-01	77439389
2015-01-01	8834518
2016-01-01	10698643