Year	Percent
1996-01-01	1.5465799999999998
1997-01-01	1.5207800000000000
1998-01-01	1.6492900000000001
1999-01-01	1.0431000000000000
2000-01-01	0.8828700000000000
2001-01-01	0.7005750000000000
2002-01-01	0.3725350000000000
2003-01-01	0.6709189999999999
2004-01-01	0.6647290000000000
2005-01-01	0.7569850000000000
2006-01-01	0.8479270000000001
2007-01-01	0.9293399999999999
2008-01-01	1.0656500000000000
2009-01-01	1.1987500000000000
2010-01-01	1.2635200000000000
2011-01-01	1.1022299999999998
2012-01-01	1.0709000000000000
2013-01-01	0.9795680000000000
2014-01-01	0.9883549999999999
2015-01-01	0.9926580000000000
2016-01-01	1.0697000000000000