Year	Percent
2001-01-01	8.4000
2002-01-01	14.0000
2003-01-01	17.0000
2004-01-01	18.0000
2005-01-01	13.4000
2006-01-01	12.5000
2007-01-01	14.2000
2008-01-01	13.9000
2009-01-01	15.1000
2010-01-01	14.3871
2011-01-01	17.0993
2012-01-01	17.9024
2013-01-01	16.9000
2014-01-01	15.1000
2015-01-01	17.1000