Year	Percent
2006-01-01	8.75045461538911
2007-01-01	8.88715134298372
2008-01-01	9.72854291886087
2009-01-01	12.58059324787480
2010-01-01	10.68452332717760
2011-01-01	8.81476238769026
2012-01-01	8.16660658113498
2013-01-01	8.74003337901359
2014-01-01	9.88317107034929
2015-01-01	10.24496830829070
2016-01-01	10.83811548729340
2017-01-01	10.83302730652710