Year Index 2010=1, Trend 1986-01-01 0.511877188657962 1987-01-01 0.516413041699258 1988-01-01 0.536488654687703 1989-01-01 0.547598125804496 1990-01-01 0.521065703816911 1991-01-01 0.550541529246516 1992-01-01 0.626476902956870 1993-01-01 0.625955512588041 1994-01-01 0.658282876387503 1995-01-01 0.653620330472098 1996-01-01 0.650676637387574 1997-01-01 0.690063662162661 1998-01-01 0.772313385434551 1999-01-01 0.800553000103889 2000-01-01 0.819297868295838 2001-01-01 0.833034246458324 2002-01-01 0.834600775305707 2003-01-01 0.843087100856044 2004-01-01 0.869613163270465 2005-01-01 0.911643396493338 2006-01-01 0.942350840150381 2007-01-01 0.964381904896305 2008-01-01 1.013101285376320 2009-01-01 1.011317070781500 2010-01-01 1.000000000000000