Year Index 2010=1 1975-01-01 0.174655311121796 1976-01-01 0.188046744850112 1977-01-01 0.189414794891731 1978-01-01 0.193384153500631 1979-01-01 0.213334079905001 1980-01-01 0.227358122641628 1981-01-01 0.262037042011152 1982-01-01 0.281809367925043 1983-01-01 0.304879604087815 1984-01-01 0.352949802947901 1985-01-01 0.377470505811041 1986-01-01 0.403735286363688 1987-01-01 0.444921959614761 1988-01-01 0.476423859145256 1989-01-01 0.502272789575432 1990-01-01 0.546484958352539 1991-01-01 0.541701873909662 1992-01-01 0.506306158852028 1993-01-01 0.475858883963756 1994-01-01 0.483465756652335 1995-01-01 0.561044538852625 1996-01-01 0.559332606025009 1997-01-01 0.583947844635683 1998-01-01 0.614360890452993 1999-01-01 0.670660013150014 2000-01-01 0.715198694114400 2001-01-01 0.804511478839866 2002-01-01 0.815935780236179 2003-01-01 0.789519345125321 2004-01-01 0.779215670419720 2005-01-01 0.798417034727839 2006-01-01 0.828586544556918 2007-01-01 0.893712972170724 2008-01-01 0.987827886845553 2009-01-01 1.026265028189930 2010-01-01 1.000000000000000