Year	Dollars
1992-01-01	46863664
1997-01-01	145490093
2002-01-01	198146913
2003-01-01	112879160
2004-01-01	137224276
2005-01-01	139133771
2006-01-01	193870265
2007-01-01	261258307
2008-01-01	225773662
2009-01-01	185015017
2010-01-01	355637254
2011-01-01	390196884
2012-01-01	482108603
2013-01-01	311188915
2014-01-01	387991763
2015-01-01	339636309
2016-01-01	394189923