Year Index 2010=1 1978-01-01 0.525467262573926 1979-01-01 0.574354847193216 1980-01-01 0.646832428342531 1981-01-01 0.712052318654854 1982-01-01 0.780287099978319 1983-01-01 0.818626746544490 1984-01-01 0.868458705908706 1985-01-01 0.894092631509753 1986-01-01 0.918917044159922 1987-01-01 0.951242939308222 1988-01-01 0.934545178698720 1989-01-01 0.944201453509015 1990-01-01 0.973196411157645 1991-01-01 1.002877852111670 1992-01-01 1.030675207269100 1993-01-01 1.060671491034770 1994-01-01 1.023594135572250 1995-01-01 1.008870705781110 1996-01-01 1.022268541104810 1997-01-01 0.985014745490471 1998-01-01 0.946912443969796 1999-01-01 0.925663691288901 2000-01-01 0.910482427538032 2001-01-01 0.913718553914384 2002-01-01 0.931320791741386 2003-01-01 0.912174488895151 2004-01-01 0.915080302268598 2005-01-01 0.905477108272130 2006-01-01 0.918464688174455 2007-01-01 0.927171408943583 2008-01-01 0.967513189051422 2009-01-01 1.043499356475480 2010-01-01 1.000000000000000