Year	Percent
1996-01-01	13.7462000000000000
1997-01-01	10.7653000000000000
1998-01-01	9.4127500000000000
1999-01-01	5.0036000000000000
2000-01-01	5.4918000000000000
2001-01-01	5.7797800000000010
2002-01-01	6.6870500000000000
2003-01-01	5.1843800000000000
2004-01-01	6.1572200000000000
2005-01-01	6.6467199999999990
2006-01-01	6.8254399999999995
2007-01-01	7.4118300000000000
2008-01-01	6.9748700000000000
2009-01-01	7.3904399999999990
2010-01-01	7.0786200000000000
2011-01-01	5.9315700000000000
2012-01-01	6.8045000000000000
2013-01-01	5.8904200000000000
2014-01-01	5.7643000000000000
2015-01-01	5.3440800000000000
2016-01-01	8.2657500000000000