Year	Percent
1994-01-01	1.4298300000000000
1995-01-01	1.9049599999999998
1996-01-01	2.6635900000000000
1997-01-01	4.7930600000000000
1998-01-01	4.6412200000000000
1999-01-01	4.2797800000000010
2000-01-01	5.2705800000000010
2001-01-01	5.9675300000000000
2002-01-01	6.2143900000000000
2003-01-01	5.3962400000000000
2004-01-01	5.0594500000000000
2005-01-01	5.0098600000000000
2006-01-01	3.9126500000000000
2007-01-01	3.6441000000000000
2008-01-01	3.4209199999999997
2009-01-01	4.7210000000000000
2010-01-01	5.9548300000000000
2011-01-01	6.0175300000000010
2012-01-01	5.8443400000000000
2013-01-01	7.1968700000000000
2014-01-01	6.9623200000000000
2015-01-01	5.9984100000000000
2016-01-01	5.1463300000000000