Year	Index
1996-01-01	0.17153800000000002
1997-01-01	0.20035799999999998
1998-01-01	0.20594899999999997
1999-01-01	0.18731600000000000
2000-01-01	0.21173499999999998
2001-01-01	0.21649699999999997
2002-01-01	0.23429000000000000
2003-01-01	0.16333300000000000
2004-01-01	0.12878199999999998
2005-01-01	0.16562300000000000
2006-01-01	0.17425100000000000
2007-01-01	0.20733200000000002
2008-01-01	0.22373500000000000
2009-01-01	0.21728000000000003
2010-01-01	0.26147300000000000
2011-01-01	0.22755100000000003
2012-01-01	0.21396800000000000
2013-01-01	0.24809600000000000
2014-01-01	0.23477600000000000