Year Index 1999-01-01 -0.22482399999999997 2000-01-01 -0.15083800000000000 2001-01-01 -0.08764200000000000 2002-01-01 -0.17446099999999998 2003-01-01 -0.12510000000000000 2004-01-01 -0.09904400000000001 2005-01-01 -0.09044100000000000 2006-01-01 -0.08742600000000000 2007-01-01 -0.09733800000000000 2008-01-01 -0.10742700000000000 2009-01-01 -0.06450499999999999 2010-01-01 -0.06418500000000000 2011-01-01 -0.06846300000000000 2012-01-01 -0.07671100000000000 2013-01-01 -0.07475800000000000 2014-01-01 -0.06625299999999999