Year	Dollars
1992-01-01	41320823
1997-01-01	71935573
2002-01-01	169820180
2003-01-01	176099514
2004-01-01	159743544
2005-01-01	198928848
2006-01-01	309251111
2007-01-01	347897232
2008-01-01	494255991
2009-01-01	330568950
2010-01-01	655414639
2011-01-01	496055214
2012-01-01	321628220
2013-01-01	280364177
2014-01-01	411858712
2015-01-01	429086347
2016-01-01	458981893