Year	Percent
1993-01-01	0.1998900000000000
1994-01-01	0.0901410000000000
1995-01-01	0.0693830000000000
1996-01-01	1.8305600000000000
1997-01-01	2.7481299999999997
1998-01-01	2.7082800000000000
1999-01-01	6.3155199999999990
2000-01-01	7.4553600000000010
2001-01-01	6.5502300000000000
2002-01-01	4.9334400000000000
2003-01-01	4.7460900000000010
2004-01-01	2.7329400000000000
2005-01-01	2.4428300000000000
2006-01-01	8.4206600000000000
2007-01-01	6.2938300000000010
2008-01-01	9.4966300000000000
2009-01-01	14.2109999999999990
2010-01-01	15.5034000000000000
2011-01-01	12.8721000000000000
2012-01-01	12.6567000000000000
2013-01-01	10.4779000000000000
2014-01-01	8.9255400000000000
2015-01-01	10.7548000000000000
2016-01-01	10.4479000000000000