Year	Percent
2001-01-01	5.250
2002-01-01	5.600
2003-01-01	6.250
2004-01-01	6.975
2005-01-01	7.725
2006-01-01	7.025
2007-01-01	6.000
2008-01-01	6.050
2009-01-01	8.850
2010-01-01	8.925
2011-01-01	8.050
2012-01-01	8.425
2013-01-01	8.450
2014-01-01	8.475
2015-01-01	7.775
2016-01-01	7.550
2017-01-01	7.175