Year	Percent
2011-01-01	4.4791200000000000
2012-01-01	4.4791200000000000
2013-01-01	4.4791200000000000
2014-01-01	2.8879900000000003
2015-01-01	2.8879900000000003
2016-01-01	2.8879900000000003
2017-01-01	6.0727800000000010