Year	Percent
1995-01-01	24.736000000000000
1996-01-01	22.355999999999998
1997-01-01	20.092500000000000
1998-01-01	21.991000000000000
1999-01-01	12.870700000000000
2000-01-01	12.436400000000000
2001-01-01	12.053900000000000
2002-01-01	16.135000000000000
2003-01-01	16.597300000000000
2004-01-01	15.297200000000000
2005-01-01	15.347600000000000
2006-01-01	19.772200000000000
2007-01-01	22.681100000000000
2008-01-01	15.591400000000000
2009-01-01	14.986300000000000
2010-01-01	14.193100000000000
2011-01-01	14.212700000000000
2012-01-01	17.932400000000000
2013-01-01	11.706600000000000
2014-01-01	9.659160000000000
2015-01-01	9.222920000000000
2016-01-01	8.820940000000000