Year	Percent
1990-01-01	0.8464330000000000
1991-01-01	0.9010040000000001
1992-01-01	0.9330060000000000
1993-01-01	1.0089800000000000
1994-01-01	1.0854900000000000
1995-01-01	1.0869200000000000
1996-01-01	0.9633760000000000
1997-01-01	0.9005330000000000
1998-01-01	0.9250740000000000
1999-01-01	0.9984180000000000
2000-01-01	0.9794420000000000
2001-01-01	1.0844600000000000
2002-01-01	1.1888700000000000
2003-01-01	1.1458100000000000
2004-01-01	1.0469600000000001
2005-01-01	1.1628600000000000
2006-01-01	1.1776799999999998
2007-01-01	1.1655300000000000
2008-01-01	1.2986700000000000
2009-01-01	1.3918700000000002
2010-01-01	1.4495900000000000
2011-01-01	1.5271600000000000
2012-01-01	1.5711400000000000
2013-01-01	1.6502000000000000
2014-01-01	1.7715100000000000
2015-01-01	1.7385900000000000
2016-01-01	1.5756600000000000