Year	Percent
2011-01-01	2.2911200000000003
2012-01-01	2.2911200000000003
2013-01-01	2.2911200000000003
2014-01-01	2.0040800000000000
2015-01-01	2.0040800000000000
2016-01-01	2.0040800000000000
2017-01-01	3.5745400000000003