Year	Percent
2003-01-01	10.375
2004-01-01	10.500
2005-01-01	10.350
2006-01-01	10.300
2007-01-01	9.900
2008-01-01	9.425
2009-01-01	11.425
2010-01-01	12.250
2011-01-01	11.675
2012-01-01	12.875
2013-01-01	10.125
2014-01-01	8.600
2015-01-01	8.150
2016-01-01	7.825
2017-01-01	9.125