Year Index 1999-01-01 0.000000000000000000 2000-01-01 0.000000000000000000 2001-01-01 0.000000000000000000 2002-01-01 0.017731000000000000 2003-01-01 -0.059754999999999996 2004-01-01 0.081106000000000000 2005-01-01 0.000547000000000000 2006-01-01 -0.078709000000000000 2007-01-01 -0.018972000000000000 2008-01-01 -0.035457999999999996 2009-01-01 0.047773000000000000 2010-01-01 0.034743000000000000 2011-01-01 0.008550000000000000 2012-01-01 0.009436000000000000 2013-01-01 0.026889000000000000 2014-01-01 0.124333999999999990