Year Index 1996-01-01 0.35901600000000000 1997-01-01 0.27941500000000000 1998-01-01 0.20164800000000000 1999-01-01 0.29180800000000000 2000-01-01 0.33841800000000000 2001-01-01 0.32944500000000000 2002-01-01 0.33041500000000000 2003-01-01 0.32926000000000000 2004-01-01 0.36246300000000004 2005-01-01 0.31432300000000000 2006-01-01 0.31041700000000000 2007-01-01 0.27915100000000004 2008-01-01 0.31920900000000000 2009-01-01 0.30468000000000000 2010-01-01 0.27893900000000000 2011-01-01 0.23789500000000000 2012-01-01 0.17574300000000000 2013-01-01 0.27363699999999996 2014-01-01 0.27332000000000000