Year	Percent
1990-01-01	0.7624350000000001
1991-01-01	0.7718790000000000
1992-01-01	0.7336870000000000
1993-01-01	0.6841260000000000
1994-01-01	0.4767160000000000
1995-01-01	0.5133550000000000
1996-01-01	0.4405660000000000
1997-01-01	0.4649370000000000
1998-01-01	0.5079470000000000
1999-01-01	0.5464600000000001
2000-01-01	0.5918730000000000
2001-01-01	0.6933560000000001
2002-01-01	0.7013689999999999
2003-01-01	0.7527950000000000
2004-01-01	0.7864439999999999
2005-01-01	0.7976400000000000
2006-01-01	0.8109630000000000
2007-01-01	0.9304350000000000
2008-01-01	0.9295850000000000
2009-01-01	0.9786879999999999
2010-01-01	1.0631500000000000
2011-01-01	1.0347800000000000
2012-01-01	1.1023600000000000
2013-01-01	0.9390540000000000
2014-01-01	1.0560800000000000
2015-01-01	1.0096500000000000
2016-01-01	1.0517900000000000