Year	Dollars
1992-01-01	1167701
1997-01-01	1610482
2002-01-01	8869163
2003-01-01	4531683
2004-01-01	5334547
2005-01-01	6089575
2006-01-01	2276872
2007-01-01	4070123
2008-01-01	5025883
2009-01-01	6963075
2010-01-01	6418826
2011-01-01	12103339
2012-01-01	5783057
2013-01-01	7869762
2014-01-01	7852685
2015-01-01	5748970
2016-01-01	3900641