Year	Percent
2001-01-01	4.525
2002-01-01	4.650
2003-01-01	5.200
2004-01-01	6.175
2005-01-01	7.425
2006-01-01	7.275
2007-01-01	6.550
2008-01-01	6.625
2009-01-01	8.075
2010-01-01	8.600
2011-01-01	7.850
2012-01-01	7.775
2013-01-01	8.025
2014-01-01	7.800
2015-01-01	7.425
2016-01-01	6.725
2017-01-01	6.525