Year	Dollars
1997-01-01	532085
2002-01-01	1968189
2003-01-01	3532430
2004-01-01	4102533
2005-01-01	5031998
2006-01-01	7673377
2007-01-01	30723087
2008-01-01	6057309
2009-01-01	945374
2010-01-01	1097682
2011-01-01	2274419
2012-01-01	817700
2013-01-01	3135797
2014-01-01	1457956
2015-01-01	866765
2016-01-01	2256467