Year Index 2010=1 1984-01-01 0.520083109194927 1985-01-01 0.558252232852813 1986-01-01 0.615641443588959 1987-01-01 0.622849669115777 1988-01-01 0.639216569856712 1989-01-01 0.672755192933770 1990-01-01 0.761411368313464 1991-01-01 0.797370346614102 1992-01-01 0.740692831238714 1993-01-01 0.746188061401969 1994-01-01 0.731046510717947 1995-01-01 0.749704554651682 1996-01-01 0.764944787726737 1997-01-01 0.755034793399069 1998-01-01 0.703526969797455 1999-01-01 0.701840112433921 2000-01-01 0.777735577214355 2001-01-01 0.836489925270113 2002-01-01 0.785560555440624 2003-01-01 0.783501887750494 2004-01-01 0.808565968766140 2005-01-01 0.832809937465410 2006-01-01 0.859367316613728 2007-01-01 0.914290578566036 2008-01-01 0.942800037158453 2009-01-01 0.982869857330401 2010-01-01 1.000000000000000