Year	Percent
1995-01-01	57.848700000000000
1996-01-01	44.668900000000000
1997-01-01	65.963100000000000
1998-01-01	62.828400000000000
1999-01-01	83.134700000000000
2000-01-01	92.541000000000000
2001-01-01	63.602300000000000
2002-01-01	47.678999999999995
2003-01-01	30.717800000000000
2004-01-01	44.824400000000000
2005-01-01	46.397400000000000
2006-01-01	53.264800000000000
2007-01-01	52.137600000000000
2008-01-01	23.359800000000000
2009-01-01	23.000000000000000
2010-01-01	17.083000000000000
2011-01-01	18.234400000000000
2012-01-01	9.849150000000000
2013-01-01	15.296900000000000
2014-01-01	13.124500000000000
2015-01-01	16.052200000000000
2016-01-01	11.780100000000000