Year	Dollars
1992-01-01	4084345
1997-01-01	16797904
2002-01-01	13517009
2003-01-01	11379363
2004-01-01	10213897
2005-01-01	12094064
2006-01-01	19000767
2007-01-01	17998300
2008-01-01	23883678
2009-01-01	15483938
2010-01-01	42521820
2011-01-01	26189411
2012-01-01	17778189
2013-01-01	18816328
2014-01-01	13106944
2015-01-01	12295787
2016-01-01	13296238