Year	Percent
1990-01-01	0.6385930000000001
1991-01-01	0.6540739999999999
1992-01-01	0.7296430000000000
1993-01-01	0.8314459999999999
1994-01-01	0.9054969999999999
1995-01-01	0.9072770000000000
1996-01-01	0.9484220000000000
1997-01-01	0.9080070000000000
1998-01-01	1.0115100000000001
1999-01-01	1.1852300000000000
2000-01-01	1.0005100000000000
2001-01-01	1.0738700000000000
2002-01-01	1.2221400000000000
2003-01-01	1.2194800000000000
2004-01-01	1.1662700000000001
2005-01-01	1.1388800000000000
2006-01-01	1.0785400000000000
2007-01-01	1.1922700000000002
2008-01-01	1.1863100000000000
2009-01-01	1.0775000000000000
2010-01-01	1.0631100000000000
2011-01-01	0.9912880000000000
2012-01-01	1.0028900000000000
2013-01-01	1.0140100000000000
2014-01-01	0.9615540000000001
2015-01-01	0.9251920000000000
2016-01-01	0.8785649999999999