Year Index 2010=1 1995-01-01 0.268413225785138 1996-01-01 0.329930974949314 1997-01-01 0.445666883668764 1998-01-01 0.540306302548224 1999-01-01 0.595557001634171 2000-01-01 0.640164582909646 2001-01-01 0.701488972825169 2002-01-01 0.716135385645888 2003-01-01 0.689192072020751 2004-01-01 0.719707199153004 2005-01-01 0.701600986537199 2006-01-01 0.741570593380522 2007-01-01 0.772442515421757 2008-01-01 0.813605857842779 2009-01-01 0.905583576518671 2010-01-01 1.000000000000000