Year Index 1996-01-01 0.12235300000000000 1997-01-01 0.11446300000000001 1998-01-01 0.15155500000000000 1999-01-01 0.16998500000000000 2000-01-01 0.06666799999999999 2001-01-01 -0.03816500000000000 2002-01-01 0.08529700000000000 2003-01-01 0.17848400000000000 2004-01-01 0.23076900000000000 2005-01-01 0.24313900000000000 2006-01-01 0.19664900000000000 2007-01-01 0.20710000000000000 2008-01-01 0.16460400000000000 2009-01-01 0.31053800000000004 2010-01-01 0.29071800000000000 2011-01-01 0.23416399999999998 2012-01-01 0.26475900000000000 2013-01-01 0.26758500000000000 2014-01-01 0.21770500000000000