Year	Percent
2006-01-01	50.1
2007-01-01	50.1
2008-01-01	50.1
2009-01-01	50.1
2010-01-01	49.1
2011-01-01	49.1
2012-01-01	49.1
2013-01-01	49.1
2014-01-01	49.1
2015-01-01	49.1
2016-01-01	49.1
2017-01-01	47.3