Year	Dollars
1992-01-01	16580246
1997-01-01	30623583
2002-01-01	27182182
2003-01-01	46219320
2004-01-01	83753817
2005-01-01	110239682
2006-01-01	53669714
2007-01-01	72808898
2008-01-01	100708663
2009-01-01	81170408
2010-01-01	121274671
2011-01-01	133941553
2012-01-01	116079313
2013-01-01	184389736
2014-01-01	241786369
2015-01-01	265074590
2016-01-01	213169958