Year	Percent
1995-01-01	2.1052600000000000
1996-01-01	2.1213500000000000
1997-01-01	2.2740299999999998
1998-01-01	2.5765200000000000
1999-01-01	2.5928100000000000
2000-01-01	2.2908900000000000
2001-01-01	2.0121800000000000
2002-01-01	1.7715100000000000
2003-01-01	0.7345840000000000
2004-01-01	0.7183940000000000
2005-01-01	0.7268580000000000
2006-01-01	0.7499990000000000
2007-01-01	0.7476910000000000
2008-01-01	0.8068330000000000
2009-01-01	0.8206850000000000
2010-01-01	0.8454610000000000
2011-01-01	0.8725790000000001
2012-01-01	0.8875549999999999
2013-01-01	0.8875500000000000
2014-01-01	0.8961450000000001
2015-01-01	0.9132260000000000
2016-01-01	0.9219959999999999