Year Index 2010=1 1978-01-01 0.283461634559189 1979-01-01 0.276727169363505 1980-01-01 0.307398997300785 1981-01-01 0.343559521807102 1982-01-01 0.368034640360216 1983-01-01 0.390363255016389 1984-01-01 0.402797488906619 1985-01-01 0.426202995498533 1986-01-01 0.471528860544586 1987-01-01 0.511475021035115 1988-01-01 0.550708678814341 1989-01-01 0.560482317609470 1990-01-01 0.581736497949941 1991-01-01 0.612095230233378 1992-01-01 0.619006381917166 1993-01-01 0.628228506227355 1994-01-01 0.647292966777626 1995-01-01 0.671316158335689 1996-01-01 0.679003848583775 1997-01-01 0.706637992150177 1998-01-01 0.767652893302932 1999-01-01 0.785555313475084 2000-01-01 0.805703242656725 2001-01-01 0.829881808016692 2002-01-01 0.853568303300500 2003-01-01 0.819157843809059 2004-01-01 0.798138968880442 2005-01-01 0.807444989091488 2006-01-01 0.875261767231961 2007-01-01 0.921207350598276 2008-01-01 0.961782735774128 2009-01-01 1.007813178498680 2010-01-01 1.000000000000000