Year	Percent
2011-01-01	7.9648699999999995
2012-01-01	7.9648699999999995
2013-01-01	7.9648699999999995
2014-01-01	4.1905100000000000
2015-01-01	4.1905100000000000
2016-01-01	4.1905100000000000
2017-01-01	2.7841700000000000