Year	Dollars
1992-01-01	228549433
1997-01-01	668416752
2002-01-01	215975662
2003-01-01	268109413
2004-01-01	250881473
2005-01-01	271175267
2006-01-01	325449123
2007-01-01	499956480
2008-01-01	761394089
2009-01-01	568685229
2010-01-01	577694575
2011-01-01	696148998
2012-01-01	714158541
2013-01-01	622312437
2014-01-01	777557123
2015-01-01	735571231
2016-01-01	717137514