Year	Percent
2009-01-01	14
2010-01-01	14.0
2011-01-01	14.0
2012-01-01	14.0
2013-01-01	14.0
2014-01-01	14.0
2015-01-01	14.0
2016-01-01	14.0
2017-01-01	18.9
