Year	Percent
2006-01-01	45
2007-01-01	45.0
2008-01-01	45.0
2009-01-01	45.0
2010-01-01	48.6
2011-01-01	48.6
2012-01-01	48.6
2013-01-01	48.6
2014-01-01	48.6
2015-01-01	48.6
2016-01-01	48.6
2017-01-01	54.1