Year	Percent
1996-01-01	25.089900000000000
1997-01-01	24.718000000000004
1998-01-01	19.978200000000000
1999-01-01	45.128300000000000
2000-01-01	46.271400000000000
2001-01-01	57.163100000000000
2002-01-01	63.569600000000000
2003-01-01	60.757000000000000
2004-01-01	35.422900000000000
2005-01-01	30.145800000000000
2006-01-01	24.505400000000000
2007-01-01	20.713500000000000
2008-01-01	20.023300000000000
2009-01-01	16.338800000000000
2010-01-01	14.387800000000000
2011-01-01	16.112200000000000
2012-01-01	13.653200000000000
2013-01-01	10.207300000000000
2014-01-01	9.847610000000001
2015-01-01	24.380300000000000
2016-01-01	21.968800000000000