Year Index 2010=1 2000-01-01 0.496478931298609 2001-01-01 0.553460915424406 2002-01-01 0.602566769086976 2003-01-01 0.631842058628079 2004-01-01 0.663033190788504 2005-01-01 0.715406101373328 2006-01-01 0.780353536833443 2007-01-01 0.844951671816535 2008-01-01 0.858412757622064 2009-01-01 0.902392817262169 2010-01-01 1.000000000000000