Year Index 2010=1 1998-01-01 0.651598939025110 1999-01-01 0.690078219056596 2000-01-01 0.747284708634924 2001-01-01 0.767096461267353 2002-01-01 0.814653348562887 2003-01-01 0.832239523359609 2004-01-01 0.879487372130174 2005-01-01 0.872443945066097 2006-01-01 0.881196230069496 2007-01-01 0.898215796174006 2008-01-01 0.960675048977642 2009-01-01 0.988995051117011 2010-01-01 1.000000000000000