Year	Percent
2011-01-01	7.697089999999999
2012-01-01	7.697089999999999
2013-01-01	7.697089999999999
2014-01-01	6.368900000000000
2015-01-01	6.368900000000000
2016-01-01	6.368900000000000
2017-01-01	6.616810000000001