Year	Dollars
1992-01-01	56464550
1997-01-01	169971107
2002-01-01	247981698
2003-01-01	248629435
2004-01-01	235943272
2005-01-01	289012185
2006-01-01	376915625
2007-01-01	457212776
2008-01-01	481847876
2009-01-01	301020973
2010-01-01	328933698
2011-01-01	420407238
2012-01-01	571552464
2013-01-01	573899750
2014-01-01	585437730
2015-01-01	410476336
2016-01-01	367655879