Year Index 2010=1 1984-01-01 0.460395688760764 1985-01-01 0.484518638475655 1986-01-01 0.523689432944910 1987-01-01 0.543727962395050 1988-01-01 0.583782983325042 1989-01-01 0.644753337401375 1990-01-01 0.713813600683202 1991-01-01 0.705508548532806 1992-01-01 0.714894549624211 1993-01-01 0.713797062198333 1994-01-01 0.716641900482278 1995-01-01 0.735278874111822 1996-01-01 0.748997849907379 1997-01-01 0.766701685616712 1998-01-01 0.770718008648572 1999-01-01 0.779144959970138 2000-01-01 0.791791789305308 2001-01-01 0.813467991874046 2002-01-01 0.801212364626851 2003-01-01 0.815724387441702 2004-01-01 0.833397288029296 2005-01-01 0.868665917868304 2006-01-01 0.907195439170855 2007-01-01 0.967713166631065 2008-01-01 0.998259903532183 2009-01-01 0.991151800675566 2010-01-01 1.000000000000000