Year	Percent
2011-01-01	81.22940000000000
2012-01-01	81.22940000000000
2013-01-01	81.22940000000000
2014-01-01	87.38640000000000
2015-01-01	87.38640000000000
2016-01-01	87.38640000000000
2017-01-01	92.34100000000001