Year Index 2010=1, Trend 1986-01-01 0.767129935754486 1987-01-01 0.771551346546680 1988-01-01 0.781056128369625 1989-01-01 0.789186284390977 1990-01-01 0.767213630198516 1991-01-01 0.795819320753296 1992-01-01 0.840523290019895 1993-01-01 0.858421010421425 1994-01-01 0.875137675472078 1995-01-01 0.845566425812935 1996-01-01 0.840051104814886 1997-01-01 0.851029682695916 1998-01-01 0.913603278783781 1999-01-01 0.934089670425095 2000-01-01 0.956943875729658 2001-01-01 0.979149710622995 2002-01-01 0.960099802228458 2003-01-01 0.982307054852115 2004-01-01 1.014392704729440 2005-01-01 1.077074567991380 2006-01-01 1.117544216573550 2007-01-01 1.154679395476540 2008-01-01 1.175501556033850 2009-01-01 1.098485395906170 2010-01-01 1.000000000000000