Year	Percent
2011-01-01	7.4021899999999990
2012-01-01	7.4021899999999990
2013-01-01	7.4021899999999990
2014-01-01	3.5880300000000003
2015-01-01	3.5880300000000003
2016-01-01	3.5880300000000003
2017-01-01	3.3139000000000000