Year	Dollars
1992-01-01	18477948
1997-01-01	39556462
2002-01-01	14575036
2003-01-01	7933867
2004-01-01	12416765
2005-01-01	27342645
2006-01-01	38523519
2007-01-01	76064638
2008-01-01	55597720
2009-01-01	31989863
2010-01-01	20832915
2011-01-01	18630428
2012-01-01	28031808
2013-01-01	74761108
2014-01-01	44156733
2015-01-01	9956625
2016-01-01	14882402