Year	Percent
2006-01-01	8.650
2007-01-01	8.825
2008-01-01	9.675
2009-01-01	12.600
2010-01-01	10.425
2011-01-01	8.300
2012-01-01	7.700
2013-01-01	7.975
2014-01-01	9.050
2015-01-01	9.250
2016-01-01	9.600
2017-01-01	9.425