Year	Percent
2011-01-01	2.8194200000000000
2012-01-01	2.8194200000000000
2013-01-01	2.8194200000000000
2014-01-01	3.5663900000000000
2015-01-01	3.5663900000000000
2016-01-01	3.5663900000000000
2017-01-01	3.6678900000000003