Year	Percent
1996-01-01	1.2142400000000000
1997-01-01	1.2019700000000000
1998-01-01	0.9306709999999999
1999-01-01	0.9297190000000001
2000-01-01	1.2812200000000000
2001-01-01	1.2114600000000000
2002-01-01	1.3165100000000000
2003-01-01	1.5585900000000000
2004-01-01	1.0269800000000000
2005-01-01	0.7132170000000000
2006-01-01	0.6354690000000000
2007-01-01	0.5223260000000001
2008-01-01	0.5060780000000000
2009-01-01	0.5497260000000000
2010-01-01	0.6128990000000000
2011-01-01	0.6289870000000000
2012-01-01	0.7004810000000000
2013-01-01	0.8984910000000000
2014-01-01	0.8854980000000000
2015-01-01	0.9345740000000000
2016-01-01	0.8368909999999999