Year	Percent
2003-01-01	7.400
2004-01-01	7.775
2005-01-01	7.800
2006-01-01	7.850
2007-01-01	7.275
2008-01-01	6.725
2009-01-01	8.675
2010-01-01	8.700
2011-01-01	8.525
2012-01-01	9.450
2013-01-01	10.050
2014-01-01	10.525
2015-01-01	10.850
2016-01-01	10.250
2017-01-01	9.450