Year	Percent
2003-01-01	4.700
2004-01-01	7.100
2005-01-01	5.800
2006-01-01	6.300
2007-01-01	4.700
2008-01-01	6.050
2009-01-01	6.125
2010-01-01	5.125
2011-01-01	6.250
2012-01-01	5.950
2013-01-01	6.425
2014-01-01	5.775
2015-01-01	7.375
2016-01-01	6.625
2017-01-01	5.450