Year	Dollars
1997-01-01	1304149
2004-01-01	3398884
2005-01-01	1299560
2006-01-01	11908629
2007-01-01	17315580
2008-01-01	13911276
2009-01-01	4898509
2010-01-01	4814404
2011-01-01	1464478
2012-01-01	1095095
2013-01-01	2674804
2014-01-01	3882440
2015-01-01	1499767
2016-01-01	540772