Year	Percent
2011-01-01	3.1671400000000003
2012-01-01	3.1671400000000003
2013-01-01	3.1671400000000003
2014-01-01	8.7177600000000000
2015-01-01	8.7177600000000000
2016-01-01	8.7177600000000000
2017-01-01	11.9812000000000000