Year	Percent
1996-01-01	10.8696000000000000
1997-01-01	11.2172000000000000
1998-01-01	11.0169000000000000
1999-01-01	11.9403000000000000
2000-01-01	9.4926400000000000
2001-01-01	10.6667000000000000
2002-01-01	18.6016000000000000
2003-01-01	19.5572000000000000
2004-01-01	20.9524000000000000
2005-01-01	25.0264000000000000
2006-01-01	19.4934000000000000
2007-01-01	20.9646000000000000
2008-01-01	15.2355000000000000
2009-01-01	11.0708000000000000
2010-01-01	9.4306000000000000
2011-01-01	5.3244600000000000
2012-01-01	5.3156099999999995
2013-01-01	11.2164000000000000
2014-01-01	15.9772000000000000
2015-01-01	23.8665000000000000
2016-01-01	22.6233000000000000