Year Index 1996-01-01 0.30283699999999997 1997-01-01 0.34719400000000000 1998-01-01 0.37351300000000000 1999-01-01 0.33898400000000000 2000-01-01 0.26334900000000000 2001-01-01 0.26940200000000000 2002-01-01 0.23882399999999998 2003-01-01 0.25665400000000000 2004-01-01 0.26945399999999997 2005-01-01 0.26823700000000000 2006-01-01 0.25220400000000000 2007-01-01 0.28226300000000000 2008-01-01 0.26405200000000000 2009-01-01 0.24591300000000002 2010-01-01 0.21134800000000000 2011-01-01 0.15646800000000000 2012-01-01 0.21946600000000000 2013-01-01 0.15448399999999998 2014-01-01 0.24247700000000000