Year	Dollars
1992-01-01	188528084
1997-01-01	288987869
2002-01-01	433500446
2003-01-01	311335822
2004-01-01	327673550
2005-01-01	960029523
2006-01-01	645034608
2007-01-01	479527847
2008-01-01	583253984
2009-01-01	471997233
2010-01-01	550426717
2011-01-01	723530362
2012-01-01	454575587
2013-01-01	458250887
2014-01-01	913554541
2015-01-01	597987353
2016-01-01	440403819