Year	Percent
1996-01-01	21.773100000000000
1997-01-01	14.367800000000000
1998-01-01	20.731100000000000
1999-01-01	4.517360000000000
2000-01-01	6.461480000000000
2001-01-01	11.838400000000000
2002-01-01	12.605600000000000
2003-01-01	12.273500000000000
2004-01-01	10.669400000000000
2005-01-01	10.013100000000000
2006-01-01	15.646900000000000
2007-01-01	11.183400000000000
2008-01-01	8.901940000000000
2009-01-01	4.016830000000001
2010-01-01	8.517010000000000
2011-01-01	14.527999999999999
2012-01-01	12.808900000000000
2013-01-01	12.405200000000000
2014-01-01	10.498900000000000
2015-01-01	6.299119999999999
2016-01-01	4.360270000000000