Year	Percent
2003-01-01	2.500
2009-01-01	4.950
2010-01-01	5.650
2011-01-01	5.700
2012-01-01	4.375
2013-01-01	4.950
2014-01-01	4.950
2015-01-01	3.725
2016-01-01	2.750
2017-01-01	1.975