Year	Percent
1995-01-01	11.840500000000000
1996-01-01	12.123800000000000
1997-01-01	15.773000000000000
1998-01-01	13.351600000000000
1999-01-01	13.753900000000000
2000-01-01	14.318600000000000
2001-01-01	16.041400000000000
2002-01-01	15.998600000000000
2003-01-01	14.913700000000000
2004-01-01	15.738700000000000
2005-01-01	19.562800000000000
2006-01-01	19.809000000000000
2007-01-01	20.732000000000000
2008-01-01	17.014500000000000
2009-01-01	18.908700000000000
2010-01-01	20.355999999999998
2011-01-01	19.081400000000000
2012-01-01	15.766600000000000
2013-01-01	12.775800000000000
2014-01-01	11.607100000000000
2015-01-01	10.716800000000000