Year	Dollars
1992-01-01	15258517
1997-01-01	10130207
2002-01-01	11346964
2003-01-01	12522951
2004-01-01	9419597
2005-01-01	9479029
2006-01-01	7937741
2007-01-01	5140801
2008-01-01	7268467
2009-01-01	8052573
2010-01-01	8396925
2011-01-01	46885737
2012-01-01	7937131
2013-01-01	14870017
2014-01-01	15310931
2015-01-01	11216706
2016-01-01	15354590