Year	Dollars
1992-01-01	4932944
1997-01-01	9281598
2002-01-01	4345938
2003-01-01	2974004
2004-01-01	3736170
2005-01-01	4632709
2006-01-01	22377756
2007-01-01	27264989
2008-01-01	41662092
2009-01-01	167932072
2010-01-01	9395825
2011-01-01	9667633
2012-01-01	41860574
2014-01-01	41151130
2015-01-01	29528068
2016-01-01	15082643