Year	Dollars
1997-01-01	37786
2002-01-01	155721
2003-01-01	1040722
2004-01-01	589179
2005-01-01	4729514
2006-01-01	13888362
2007-01-01	9411678
2008-01-01	9658013
2009-01-01	17616500
2010-01-01	15873476
2011-01-01	9300337
2012-01-01	7198263
2013-01-01	5147454
2014-01-01	5512838
2015-01-01	2490369
2016-01-01	517300