Year	Index
1996-01-01	0.42081800000000000
1997-01-01	0.35276000000000000
1998-01-01	0.22121200000000000
1999-01-01	0.39158400000000000
2000-01-01	0.24247600000000002
2001-01-01	0.33117399999999997
2002-01-01	0.40167600000000003
2003-01-01	0.36929700000000000
2004-01-01	0.37240500000000004
2005-01-01	0.31411900000000000
2006-01-01	0.34700300000000000
2007-01-01	0.34587300000000000
2008-01-01	0.28542000000000000
2009-01-01	0.18707500000000000
2010-01-01	0.27040200000000000
2011-01-01	0.24744800000000000
2012-01-01	0.28349500000000000
2013-01-01	0.30991799999999997