Year	Percent
2005-01-01	0.000000000000000
2006-01-01	0.000000000000000
2007-01-01	9.344190000000000
2008-01-01	7.195550000000000
2009-01-01	10.906800000000000
2010-01-01	10.434900000000000
2011-01-01	8.522590000000000
2012-01-01	8.709950000000000
2013-01-01	8.842740000000000
2014-01-01	8.359770000000000
2015-01-01	9.070600000000000
2016-01-01	8.367540000000000
2017-01-01	8.657689999999999