Year	Percent
1996-01-01	11.729500000000000
1997-01-01	8.406470000000000
1998-01-01	9.104700000000000
1999-01-01	9.352660000000000
2000-01-01	9.725520000000000
2001-01-01	9.856819999999999
2002-01-01	7.988860000000001
2003-01-01	7.367330000000000
2004-01-01	10.712400000000000
2005-01-01	3.514590000000000
2006-01-01	18.299400000000000
2007-01-01	15.554800000000000
2008-01-01	15.933000000000000
2009-01-01	15.811700000000000
2010-01-01	14.468600000000000
2011-01-01	12.294400000000000
2012-01-01	11.869800000000000
2013-01-01	10.843200000000000
2014-01-01	10.500600000000000
2015-01-01	8.109930000000000
2016-01-01	12.067300000000000