Year	Percent
1994-01-01	0.18119800000000000
1995-01-01	0.15927100000000000
1996-01-01	0.12816200000000000
1997-01-01	0.13017300000000000
1998-01-01	0.12128000000000000
1999-01-01	0.12496600000000001
2000-01-01	0.16410999999999998
2001-01-01	0.15642999999999999
2002-01-01	0.17038200000000000
2003-01-01	0.16189500000000000
2004-01-01	0.14896199999999998
2005-01-01	0.16674200000000000
2006-01-01	0.18120899999999998
2007-01-01	0.15390200000000000
2008-01-01	0.18094400000000000
2009-01-01	0.18943100000000000
2010-01-01	0.17414000000000002
2011-01-01	0.20513699999999999
2012-01-01	0.24876199999999998
2013-01-01	0.28076799999999996
2014-01-01	0.28723000000000004
2015-01-01	0.24622500000000000
2016-01-01	0.32445799999999997