Year Index 1996-01-01 0.20651900000000000 1997-01-01 0.22207800000000003 1998-01-01 0.19055600000000000 1999-01-01 0.11532400000000000 2000-01-01 0.04008900000000000 2001-01-01 0.10523600000000000 2002-01-01 0.05801600000000000 2003-01-01 0.01026900000000000 2004-01-01 0.05049700000000000 2005-01-01 0.13150400000000000 2006-01-01 0.12327500000000000 2007-01-01 0.12891100000000000 2008-01-01 0.13166100000000000 2009-01-01 0.19295800000000000 2010-01-01 0.19123099999999998 2011-01-01 0.15403499999999998 2012-01-01 0.17282300000000000 2013-01-01 0.26751800000000000 2014-01-01 0.27953200000000000