Year Index 2010=1 1978-01-01 0.162787793250784 1979-01-01 0.183550870413504 1980-01-01 0.201552169346093 1981-01-01 0.220810578070183 1982-01-01 0.238472427280650 1983-01-01 0.250331719334720 1984-01-01 0.263278069680321 1985-01-01 0.269446016414495 1986-01-01 0.293417211358441 1987-01-01 0.341250030414869 1988-01-01 0.363215999115458 1989-01-01 0.349660436965619 1990-01-01 0.342869938902751 1991-01-01 0.338805776845928 1992-01-01 0.330518477715899 1993-01-01 0.330546624937614 1994-01-01 0.298410278795084 1995-01-01 0.307584781269474 1996-01-01 0.331645130611112 1997-01-01 0.356510429772193 1998-01-01 0.392510351841878 1999-01-01 0.459375286349771 2000-01-01 0.475571604110388 2001-01-01 0.521608006503061 2002-01-01 0.556885159380265 2003-01-01 0.589635631330029 2004-01-01 0.608594670788523 2005-01-01 0.662811967534020 2006-01-01 0.750214032597828 2007-01-01 0.833191016433969 2008-01-01 0.907729081006531 2009-01-01 0.962502370845730 2010-01-01 1.000000000000000