Year	Percent
1996-01-01	25.389100
1997-01-01	21.967200
1998-01-01	20.418100
1999-01-01	11.594200
2000-01-01	13.862800
2001-01-01	30.666500
2002-01-01	10.448000
2003-01-01	4.717740
2004-01-01	5.320310
2005-01-01	8.430880
2006-01-01	-0.733237
2007-01-01	14.393500
2008-01-01	14.971500
2009-01-01	11.538300
2010-01-01	12.415600
2011-01-01	17.430400
2012-01-01	15.837900
2013-01-01	15.308400
2014-01-01	13.682500
2015-01-01	13.366100
2016-01-01	6.264260