Year	Percent
1991-01-01	0.28538100000000000
1992-01-01	0.30995000000000000
1993-01-01	0.32223900000000000
1994-01-01	0.34888000000000000
1995-01-01	0.39906200000000000
1996-01-01	0.43068999999999996
1997-01-01	0.43894600000000000
1998-01-01	0.48860400000000000
1999-01-01	0.52257500000000000
2000-01-01	0.51078200000000000
2001-01-01	0.66054700000000000
2002-01-01	0.78515000000000000
2003-01-01	0.91312299999999990
2004-01-01	1.01932999999999980
2005-01-01	1.00151000000000010
2006-01-01	1.01619000000000000
2007-01-01	1.01978000000000000
2008-01-01	1.03676000000000010
2009-01-01	1.05772000000000000
2010-01-01	0.99935400000000010
2011-01-01	1.00129000000000000
2012-01-01	1.27010000000000000
2013-01-01	1.15293000000000000
2014-01-01	1.21916000000000000
2015-01-01	0.99710100000000000