Year	Dollars
1992-01-01	1527792
1997-01-01	2766518
2002-01-01	5898271
2003-01-01	8899013
2004-01-01	6438989
2005-01-01	6360551
2006-01-01	10554006
2007-01-01	7101142
2008-01-01	21779772
2009-01-01	8779536
2010-01-01	11182444
2011-01-01	31910058
2012-01-01	21123257
2013-01-01	64066976
2015-01-01	117818078
2016-01-01	64181543