Year	Dollars
1992-01-01	7035904
1997-01-01	7448409
2002-01-01	6068736
2003-01-01	9764473
2004-01-01	10797628
2005-01-01	14852055
2006-01-01	20032122
2007-01-01	17669231
2008-01-01	34268479
2009-01-01	24656531
2010-01-01	29083867
2011-01-01	26061050
2012-01-01	61691527
2013-01-01	57283199
2014-01-01	31472605
2015-01-01	31472744
2016-01-01	22902303