Year	Dollars
1997-01-01	753906
2002-01-01	2562428
2003-01-01	2251131
2004-01-01	2038577
2005-01-01	11333824
2006-01-01	6266494
2007-01-01	6080408
2008-01-01	9547208
2009-01-01	7917023
2010-01-01	8112777
2011-01-01	9456717
2012-01-01	36654173
2013-01-01	40931512
2014-01-01	33101021
2015-01-01	18724654
2016-01-01	13019884