Year	Percent
1995-01-01	12.7267000000000000
1996-01-01	13.5355000000000000
1997-01-01	21.5406000000000000
1998-01-01	20.6879000000000000
1999-01-01	11.8754000000000000
2000-01-01	8.1858500000000000
2001-01-01	8.0636200000000000
2002-01-01	7.3413699999999995
2003-01-01	7.9581000000000000
2004-01-01	10.2461000000000000
2005-01-01	7.6648399999999990
2006-01-01	8.2153600000000000
2007-01-01	10.3719000000000000
2008-01-01	7.3582100000000010
2009-01-01	5.5647100000000000
2010-01-01	4.9834900000000000
2011-01-01	6.1210900000000010
2012-01-01	5.5953500000000000
2013-01-01	4.4971000000000000
2014-01-01	3.2940600000000000
2015-01-01	4.5250000000000000
2016-01-01	4.2543900000000000