Year	Dollars
1992-01-01	410251079
1997-01-01	719048398
2002-01-01	159108169
2003-01-01	221489558
2004-01-01	197071248
2005-01-01	173824520
2006-01-01	220755250
2007-01-01	326587725
2008-01-01	468292380
2009-01-01	209991571
2010-01-01	220340305
2011-01-01	199795776
2012-01-01	262340486
2013-01-01	276684328
2014-01-01	206702029
2015-01-01	175029703
2016-01-01	161662923