Year	Percent
2006-01-01	6.0
2007-01-01	6.0
2008-01-01	6.0
2009-01-01	6.0
2010-01-01	6.0
2011-01-01	6.0
2012-01-01	6.0
2013-01-01	6.0
2014-01-01	6.0
2015-01-01	6.0
2016-01-01	3.9