Year	Percent
2011-01-01	3.7166099999999997
2012-01-01	3.7166099999999997
2013-01-01	3.7166099999999997
2014-01-01	6.5695500000000000
2015-01-01	6.5695500000000000
2016-01-01	6.5695500000000000
2017-01-01	7.2873000000000000