Year	Dollars
1997-01-01	2946651
2002-01-01	4583924
2005-01-01	5889706
2007-01-01	13338261
2008-01-01	18771679
2009-01-01	19870622
2010-01-01	18797002
2011-01-01	10280556
2013-01-01	19475202
2014-01-01	14431381
2015-01-01	3019822
2016-01-01	2344158