Year	Percent
2011-01-01	3.1829800000000000
2012-01-01	3.1829800000000000
2013-01-01	3.1829800000000000
2014-01-01	7.9951300000000005
2015-01-01	7.9951300000000005
2016-01-01	7.9951300000000005
2017-01-01	8.5057200000000000