Year	Index
1996-01-01	0.24597000000000000
1997-01-01	0.33999200000000000
1998-01-01	0.21996400000000000
1999-01-01	0.15797700000000000
2000-01-01	0.03905100000000000
2001-01-01	0.16138500000000000
2002-01-01	0.19369900000000000
2003-01-01	0.24530600000000000
2004-01-01	0.17341400000000000
2005-01-01	0.18350999999999998
2006-01-01	0.20485100000000003
2007-01-01	0.23296799999999998
2008-01-01	0.26732399999999995
2009-01-01	0.24858000000000002
2010-01-01	0.22987000000000000
2011-01-01	0.25092000000000000
2012-01-01	0.25907800000000003
2013-01-01	0.24161600000000000
2014-01-01	0.33605400000000000