Year	Dollars
1992-01-01	1181535
1997-01-01	2604421
2002-01-01	2929901
2003-01-01	2384357
2004-01-01	4072374
2005-01-01	5368942
2006-01-01	8085856
2007-01-01	6046453
2008-01-01	8182358
2009-01-01	8847990
2010-01-01	6349627
2011-01-01	5327416
2012-01-01	14370638
2013-01-01	8501849
2014-01-01	6136633
2015-01-01	12790019
2016-01-01	30307934