Year	Index
1996-01-01	0.20006900000000000
1997-01-01	0.21335500000000002
1998-01-01	0.16838399999999998
1999-01-01	0.27893500000000000
2000-01-01	0.27605999999999997
2001-01-01	0.22986300000000000
2002-01-01	0.25026400000000000
2003-01-01	0.27128700000000000
2004-01-01	0.29175100000000004
2005-01-01	0.28906700000000000
2006-01-01	0.26642600000000000
2007-01-01	0.26196700000000000
2008-01-01	0.27416999999999997
2009-01-01	0.27589100000000000
2010-01-01	0.31365000000000000
2011-01-01	0.31608600000000003
2012-01-01	0.27764000000000000
2013-01-01	0.26666599999999996
2014-01-01	0.29224800000000000