Year	Index
1996-01-01	0.29061400000000000
1997-01-01	0.15089800000000000
1998-01-01	0.25670700000000000
1999-01-01	0.37940300000000005
2000-01-01	0.25548899999999997
2001-01-01	-0.38571300000000003
2002-01-01	0.20852199999999999
2003-01-01	0.15652000000000000
2004-01-01	0.26528900000000000
2005-01-01	0.19521800000000000
2006-01-01	0.27075000000000000
2007-01-01	0.28411600000000000
2008-01-01	0.25876200000000000
2009-01-01	0.26562500000000000
2010-01-01	0.23405200000000000