Year	Percent
1998-01-01	14.0000
1999-01-01	15.3000
2000-01-01	15.3000
2001-01-01	13.5000
2002-01-01	13.3000
2003-01-01	13.1000
2004-01-01	10.2000
2005-01-01	7.4000
2006-01-01	7.3000
2007-01-01	7.7000
2008-01-01	11.4000
2009-01-01	10.8000
2010-01-01	10.4677
2011-01-01	10.7647
2012-01-01	10.0961
2013-01-01	10.3515
2014-01-01	11.5669
2015-01-01	12.0159
2016-01-01	11.6296