Year	Index
1996-01-01	0.25815400000000000
1997-01-01	0.25166800000000000
1998-01-01	0.24501199999999998
1999-01-01	0.36274900000000000
2000-01-01	0.44414200000000000
2001-01-01	0.48759300000000005
2002-01-01	0.51956499999999990
2003-01-01	0.46899799999999997
2004-01-01	0.40517500000000000
2005-01-01	0.13736800000000002
2006-01-01	-0.01214500000000000
2007-01-01	0.08007500000000000
2008-01-01	0.07416000000000000
2009-01-01	0.21098400000000000
2010-01-01	0.43504300000000000
2011-01-01	0.26469800000000000