Year	Percent
1990-01-01	0.21596500000000002
1991-01-01	0.22486799999999998
1992-01-01	0.27270000000000000
1993-01-01	0.32203699999999996
1994-01-01	0.41639000000000000
1995-01-01	0.44580900000000000
1996-01-01	0.50587100000000000
1997-01-01	0.56064700000000000
1998-01-01	0.48024300000000003
1999-01-01	0.46426000000000006
2000-01-01	0.49291300000000000
2001-01-01	0.51570900000000000
2002-01-01	0.58020900000000000
2003-01-01	0.64137000000000000
2004-01-01	0.75175300000000000
2005-01-01	0.74409300000000000
2006-01-01	0.88187100000000000
2007-01-01	1.08409000000000000
2008-01-01	0.94783000000000000
2009-01-01	1.01591000000000000
2010-01-01	1.01936000000000000
2011-01-01	1.09822000000000000
2012-01-01	1.19021000000000000
2013-01-01	1.07374000000000000
2014-01-01	1.01752000000000000
2015-01-01	1.10191000000000000
2016-01-01	1.11057000000000000