Year	Dollars
1992-01-01	109921504
1997-01-01	135943515
2002-01-01	60918454
2003-01-01	56495868
2004-01-01	55010260
2005-01-01	50998367
2006-01-01	58233488
2007-01-01	71538585
2008-01-01	82840292
2009-01-01	78163942
2010-01-01	127004463
2011-01-01	131634317
2012-01-01	212968093
2013-01-01	222306747
2014-01-01	288432504
2015-01-01	302459718
2016-01-01	254808715