Year	Index
1996-01-01	0.21282800000000002
1997-01-01	0.16652700000000000
1998-01-01	0.15605900000000000
1999-01-01	0.15405200000000000
2000-01-01	0.16702100000000000
2001-01-01	0.18821600000000000
2002-01-01	0.15467500000000000
2003-01-01	0.18426600000000000
2004-01-01	0.21123100000000000
2005-01-01	0.23147800000000002
2006-01-01	0.25027000000000000
2007-01-01	0.29495300000000000
2008-01-01	0.28564200000000000
2009-01-01	0.24343499999999998
2010-01-01	0.27161300000000000
2011-01-01	0.25637600000000005
2012-01-01	0.31077200000000000
2013-01-01	0.29099000000000000
2014-01-01	0.35485900000000004