Year Index 1999-01-01 0.0175199999999999970 2000-01-01 -0.0141110000000000020 2001-01-01 0.0209030000000000000 2002-01-01 0.0103430000000000010 2003-01-01 0.0033750000000000000 2004-01-01 -0.0080819999999999990 2005-01-01 -0.0025210000000000002 2006-01-01 0.0065629999999999990 2007-01-01 -0.0094040000000000010 2008-01-01 -0.0190070000000000000 2009-01-01 -0.0143190000000000000 2010-01-01 -0.0209600000000000000 2011-01-01 -0.0161910000000000000 2012-01-01 -0.0204900000000000000 2013-01-01 -0.0144520000000000010 2014-01-01 -0.0090829999999999990