Year	Index
1996-01-01	0.31486000000000000
1997-01-01	0.03709200000000000
1998-01-01	0.04749300000000000
1999-01-01	0.17708500000000000
2000-01-01	0.14778000000000000
2001-01-01	0.08301700000000000
2002-01-01	0.16710500000000000
2003-01-01	0.18041300000000002
2004-01-01	0.25179700000000000
2005-01-01	0.29013900000000000
2006-01-01	0.31215100000000000
2007-01-01	0.32409699999999997
2008-01-01	0.26829300000000000
2009-01-01	0.18933900000000000
2010-01-01	0.22360800000000000
2011-01-01	0.26547300000000000
2012-01-01	0.28475400000000000
2013-01-01	0.32056300000000000
2014-01-01	0.37655800000000000