Year	Dollars
1992-01-01	20541048
1997-01-01	38517481
2002-01-01	58891030
2003-01-01	47132365
2004-01-01	42109772
2005-01-01	47740749
2006-01-01	56517565
2007-01-01	69437983
2008-01-01	138475063
2009-01-01	106453147
2010-01-01	145733508
2011-01-01	142722051
2012-01-01	107997171
2013-01-01	94784626
2014-01-01	90918727
2015-01-01	107310994
2016-01-01	93823927