Year	Dollars
1992-01-01	3956260
1997-01-01	2139867
2002-01-01	3623591
2003-01-01	9062281
2004-01-01	7331694
2005-01-01	8712848
2006-01-01	9871325
2007-01-01	11571571
2008-01-01	34647689
2009-01-01	11350968
2010-01-01	9364286
2011-01-01	18005256
2012-01-01	8860518
2013-01-01	10391244
2014-01-01	5255515
2015-01-01	8662005
2016-01-01	6002967