Year	Dollars
1992-01-01	8863492
1997-01-01	10934401
2002-01-01	20387771
2003-01-01	24682792
2004-01-01	35977497
2005-01-01	28380176
2006-01-01	28813507
2007-01-01	49276805
2008-01-01	49825482
2009-01-01	35273402
2010-01-01	29362827
2011-01-01	27625620
2012-01-01	19732473
2013-01-01	15165609
2014-01-01	23138575
2015-01-01	11181385
2016-01-01	16374663