Year	Index
1996-01-01	0.20553100000000000
1997-01-01	0.22982399999999997
1998-01-01	0.21284699999999998
1999-01-01	0.23751599999999998
2000-01-01	0.20780300000000002
2001-01-01	0.23776000000000000
2002-01-01	0.30252900000000000
2003-01-01	0.32411400000000000
2004-01-01	0.29434299999999997
2005-01-01	0.27538300000000000
2006-01-01	0.24417800000000000
2007-01-01	0.20086600000000002
2008-01-01	0.20490000000000000
2009-01-01	0.29134400000000000
2010-01-01	0.31664000000000003
2011-01-01	0.31251500000000000
2012-01-01	0.31342300000000000
2013-01-01	0.33707900000000000
2014-01-01	0.33415900000000004