Year	Percent
1996-01-01	13.482600000000000
1997-01-01	11.126400000000000
1998-01-01	12.799000000000001
1999-01-01	10.121400000000000
2000-01-01	11.172900000000000
2001-01-01	11.585000000000000
2002-01-01	11.941900000000000
2003-01-01	11.890700000000000
2004-01-01	10.753900000000000
2005-01-01	11.447800000000000
2006-01-01	10.418100000000000
2007-01-01	9.802680000000000
2008-01-01	11.031300000000000
2009-01-01	10.531400000000000
2010-01-01	10.054000000000000
2011-01-01	11.278300000000000
2012-01-01	10.258300000000000
2013-01-01	11.890300000000000
2014-01-01	16.335800000000000
2015-01-01	24.307200000000000
2016-01-01	27.897300000000000