Year	Percent
1993-01-01	1.3555000000000000
1994-01-01	1.2647899999999999
1995-01-01	1.2302600000000001
1996-01-01	1.4172400000000000
1997-01-01	1.5200700000000000
1998-01-01	1.6811000000000000
1999-01-01	1.6520500000000000
2000-01-01	1.5750899999999999
2001-01-01	1.6510200000000002
2002-01-01	1.7341900000000001
2003-01-01	1.8935300000000000
2004-01-01	1.9592599999999998
2005-01-01	1.7839400000000000
2006-01-01	1.5758500000000000
2007-01-01	1.4446400000000000
2008-01-01	1.3777800000000000
2009-01-01	1.3931799999999999
2010-01-01	1.2919500000000000
2011-01-01	1.2449800000000000
2012-01-01	1.1742400000000000
2013-01-01	1.1327399999999999
2014-01-01	1.1274800000000000
2015-01-01	1.0983500000000000
2016-01-01	1.1577899999999999