Year	Dollars
1992-01-01	82861399
1997-01-01	110333216
2002-01-01	183525887
2003-01-01	235985847
2004-01-01	221146584
2005-01-01	250027747
2006-01-01	289887701
2007-01-01	428828730
2008-01-01	376005057
2009-01-01	294503834
2010-01-01	367583734
2011-01-01	508363611
2012-01-01	480527585
2013-01-01	497740539
2014-01-01	596905456
2015-01-01	482272795
2016-01-01	445459076