Year	Percent
2011-01-01	23.281999999999996
2012-01-01	23.281999999999996
2013-01-01	23.281999999999996
2014-01-01	30.183800000000000
2015-01-01	30.183800000000000
2016-01-01	30.183800000000000
2017-01-01	26.784400000000000