Year	Dollars
1992-01-01	960005784
1997-01-01	1179045460
2002-01-01	577694843
2003-01-01	693368246
2004-01-01	1043394866
2005-01-01	1085006036
2006-01-01	2482419840
2007-01-01	2681173561
2008-01-01	3391066478
2009-01-01	2130878490
2010-01-01	2536712541
2011-01-01	3469785461
2012-01-01	6811037876
2013-01-01	5241394010
2014-01-01	4423472757
2015-01-01	3809104651
2016-01-01	2117705534