Year	Percent
2011-01-01	7.2563699999999995
2012-01-01	7.2563699999999995
2013-01-01	7.2563699999999995
2014-01-01	9.4713900000000000
2015-01-01	9.4713900000000000
2016-01-01	9.4713900000000000
2017-01-01	8.6094900000000000