Year	Index
1996-01-01	0.36388300000000000
1997-01-01	0.30377300000000000
1998-01-01	0.31923100000000000
1999-01-01	0.16172300000000000
2000-01-01	0.35086400000000000
2001-01-01	0.22988000000000003
2002-01-01	0.32211900000000000
2003-01-01	0.24388700000000000
2004-01-01	0.10045200000000000
2005-01-01	0.13592200000000002
2006-01-01	0.28771500000000000
2007-01-01	0.29748000000000000
2008-01-01	0.29464100000000000
2009-01-01	0.37420600000000000
2010-01-01	0.29214800000000000