Year	Percent
2003-01-01	7.425
2004-01-01	7.800
2005-01-01	7.850
2006-01-01	7.875
2007-01-01	7.300
2008-01-01	6.725
2009-01-01	8.700
2010-01-01	8.750
2011-01-01	8.625
2012-01-01	9.550
2013-01-01	10.125
2014-01-01	10.600
2015-01-01	10.900
2016-01-01	10.375
2017-01-01	9.525