Year	Dollars
1992-01-01	2222447
1997-01-01	2578683
2002-01-01	1892007
2003-01-01	4204392
2004-01-01	4471688
2005-01-01	6676993
2006-01-01	16308455
2007-01-01	9492547
2008-01-01	8868480
2009-01-01	6842457
2010-01-01	6373354
2011-01-01	9932584
2012-01-01	12606977
2013-01-01	7864201
2014-01-01	7324552
2015-01-01	12485205
2016-01-01	12358081