Year	Percent
1996-01-01	0.82065599999999990
1997-01-01	0.75588900000000000
1998-01-01	0.68216800000000000
1999-01-01	0.60645000000000000
2000-01-01	0.61726300000000000
2001-01-01	0.70797600000000000
2002-01-01	0.66895300000000000
2003-01-01	0.88830000000000000
2004-01-01	0.79497200000000000
2005-01-01	0.86198999999999990
2006-01-01	0.93981700000000000
2007-01-01	0.70711400000000000
2008-01-01	-0.16787700000000000
2009-01-01	-0.24488900000000000
2010-01-01	0.16492600000000000
2011-01-01	0.07051700000000000
2012-01-01	0.16337400000000000
2013-01-01	0.30620700000000000
2014-01-01	0.24550999999999998
2015-01-01	0.50952800000000000
2016-01-01	0.72161700000000000