Year Index 2010=1 1984-01-01 0.520061823233792 1985-01-01 0.558194743944697 1986-01-01 0.615564667033778 1987-01-01 0.622807715949540 1988-01-01 0.639184046166501 1989-01-01 0.672818456347651 1990-01-01 0.761498727596996 1991-01-01 0.797394163115505 1992-01-01 0.740747513696178 1993-01-01 0.746277685214890 1994-01-01 0.731221576426262 1995-01-01 0.749838167963993 1996-01-01 0.765037572947764 1997-01-01 0.755069158263238 1998-01-01 0.703570674575581 1999-01-01 0.701887577267785 2000-01-01 0.777775890918321 2001-01-01 0.836554740010332 2002-01-01 0.785676007639200 2003-01-01 0.783581319434023 2004-01-01 0.808656349564688 2005-01-01 0.832916375254429 2006-01-01 0.859510008266208 2007-01-01 0.914426382288866 2008-01-01 0.942908287064759 2009-01-01 0.982902029603315 2010-01-01 1.000000000000000