Year	Dollars
1992-01-01	2520470
1997-01-01	966627
2002-01-01	1988397
2003-01-01	5517966
2004-01-01	6972329
2006-01-01	4648900
2007-01-01	11529493
2008-01-01	23994027
2009-01-01	2644049
2010-01-01	5435981
2011-01-01	6322339
2012-01-01	18080441
2013-01-01	11020164
2014-01-01	14484818
2015-01-01	9768411
2016-01-01	9693265