Year Index 1996-01-01 0.42783200000000000 1997-01-01 0.32061900000000000 1998-01-01 0.40510100000000004 1999-01-01 0.59156900000000000 2000-01-01 0.90829100000000000 2001-01-01 1.07559000000000000 2002-01-01 0.57805600000000000 2003-01-01 0.74814600000000000 2004-01-01 0.77725900000000000 2005-01-01 0.58756800000000000 2006-01-01 0.71655700000000000 2007-01-01 0.76166700000000000 2008-01-01 0.72397200000000010 2009-01-01 0.79705700000000000 2010-01-01 0.82156000000000010 2011-01-01 0.74675300000000000 2012-01-01 0.80346300000000000 2013-01-01 0.93865900000000000