Year Index 2010=1 1980-01-01 0.751761609286825 1981-01-01 0.769744015285327 1982-01-01 0.781925358664573 1983-01-01 0.782635359593908 1984-01-01 0.788120297807879 1985-01-01 0.815231483098646 1986-01-01 0.835353349645780 1987-01-01 0.849317310729918 1988-01-01 0.843925576927084 1989-01-01 0.843472344160144 1990-01-01 0.885150295995090 1991-01-01 0.940448209399440 1992-01-01 0.967710551729101 1993-01-01 1.005857892211750 1994-01-01 0.995556436493649 1995-01-01 0.974602203982682 1996-01-01 0.968870245251761 1997-01-01 0.931820958042814 1998-01-01 0.922634611562237 1999-01-01 0.937546674587303 2000-01-01 0.916719252011390 2001-01-01 0.952498837271992 2002-01-01 0.961511802568781 2003-01-01 0.964518945641358 2004-01-01 0.941313527751642 2005-01-01 0.936969512839371 2006-01-01 0.958040036403177 2007-01-01 0.959028005737990 2008-01-01 0.988450756194326 2009-01-01 1.033556457869250 2010-01-01 1.000000000000000