Year	Percent
1992-01-01	1.3112000000000000
1993-01-01	1.4963400000000000
1994-01-01	1.3274700000000001
1995-01-01	1.3860299999999999
1996-01-01	1.3469100000000000
1997-01-01	1.1959100000000000
1998-01-01	1.3525300000000000
1999-01-01	1.3002000000000000
2000-01-01	1.3129800000000000
2001-01-01	1.3924900000000000
2002-01-01	1.7585400000000002
2003-01-01	1.5221900000000000
2004-01-01	1.3620800000000000
2005-01-01	1.5339800000000000
2006-01-01	1.6301299999999999
2007-01-01	1.3494600000000000
2008-01-01	1.4139400000000000
2009-01-01	1.4224600000000000
2010-01-01	1.4318899999999999
2011-01-01	1.3984400000000000
2012-01-01	1.2633200000000000
2013-01-01	1.1573600000000000
2014-01-01	1.1689600000000000
2015-01-01	1.1594600000000000
2016-01-01	1.1416600000000001