Year	Index
1997-01-01	0.000000
1998-01-01	-0.391410
1999-01-01	0.000000
2000-01-01	0.000000
2001-01-01	0.000000
2002-01-01	0.000000
2003-01-01	0.000000
2004-01-01	0.000000
2005-01-01	-1.036950
2006-01-01	-0.476995
2007-01-01	0.541159
2008-01-01	0.702055
2009-01-01	-0.254111
2010-01-01	0.000000