Year	Dollars
1992-01-01	27417560
1997-01-01	54731530
2004-01-01	595923208
2005-01-01	522271920
2007-01-01	412706284
2008-01-01	60544542
2009-01-01	94191292
2010-01-01	142522014
2011-01-01	51492577
2012-01-01	30516124
2013-01-01	59012901
2014-01-01	130336696
2015-01-01	218329775
2016-01-01	197596217