Year Index 1996-01-01 0.005720000000000000 1997-01-01 0.015241999999999999 1998-01-01 -0.017127000000000000 1999-01-01 0.182219000000000000 2000-01-01 -0.039481999999999996 2001-01-01 0.035512000000000000 2002-01-01 0.244471000000000000 2003-01-01 0.218644999999999980 2004-01-01 0.222038000000000000 2005-01-01 0.245389000000000000 2006-01-01 0.234592000000000000 2007-01-01 0.220978000000000000 2008-01-01 0.217201000000000030 2009-01-01 0.173888000000000010 2010-01-01 0.226124000000000000 2011-01-01 0.277136000000000000 2012-01-01 0.253224000000000000 2013-01-01 0.254643000000000000