Year	Percent
2011-01-01	12.416700000000000
2012-01-01	12.416700000000000
2013-01-01	12.416700000000000
2014-01-01	15.005999999999998
2015-01-01	15.005999999999998
2016-01-01	15.005999999999998
2017-01-01	21.129400000000000