Year	Index
1996-01-01	0.23156900000000000
1997-01-01	0.21617399999999998
1998-01-01	0.17640799999999998
1999-01-01	0.26156799999999997
2000-01-01	0.28017200000000000
2001-01-01	0.33034500000000000
2002-01-01	0.32303800000000000
2003-01-01	0.30207500000000000
2004-01-01	0.34963400000000000
2005-01-01	0.31498899999999996
2006-01-01	0.34363400000000000
2007-01-01	0.30517000000000000
2008-01-01	0.31507399999999997
2009-01-01	0.30365100000000000
2010-01-01	0.33500800000000000