Year Index 1999-01-01 -0.024092000000000000 2000-01-01 -0.073282000000000000 2001-01-01 -0.069707000000000000 2002-01-01 -0.068045000000000010 2003-01-01 -0.046543000000000000 2004-01-01 -0.058027999999999996 2005-01-01 -0.061426999999999995 2006-01-01 -0.060246000000000000 2007-01-01 -0.059078000000000000 2008-01-01 -0.064723000000000000 2009-01-01 -0.069540000000000000 2010-01-01 -0.077849000000000000 2011-01-01 -0.057136000000000000 2012-01-01 -0.058103999999999996 2013-01-01 -0.047740000000000000 2014-01-01 -0.024903000000000000