Year Percent 2011-01-01 2.143190000000000 2012-01-01 2.143190000000000 2013-01-01 2.143190000000000 2014-01-01 12.179900000000000 2015-01-01 12.179900000000000 2016-01-01 12.179900000000000 2017-01-01 11.232999999999999