Year Index 2010=1 2000-01-01 0.765713969362005 2001-01-01 0.735352597648821 2002-01-01 0.791340901756185 2003-01-01 0.789345076317407 2004-01-01 0.786570088996730 2005-01-01 0.808517765189371 2006-01-01 0.818099509254191 2007-01-01 0.855823721063189 2008-01-01 0.910205822384594 2009-01-01 0.940271067740673 2010-01-01 1.000000000000000