Year Index 2010=1, Trend 1980-01-01 0.202297123739359 1981-01-01 0.217884080715572 1982-01-01 0.252953113840806 1983-01-01 0.275534006046345 1984-01-01 0.284533092454693 1985-01-01 0.279223973820575 1986-01-01 0.284689609958998 1987-01-01 0.321048413343975 1988-01-01 0.350068000280253 1989-01-01 0.379236896846005 1990-01-01 0.424459172686095 1991-01-01 0.479509289084141 1992-01-01 0.551174034636131 1993-01-01 0.592300716248052 1994-01-01 0.589922514421048 1995-01-01 0.605891993491172 1996-01-01 0.646088412022678 1997-01-01 0.687546271787552 1998-01-01 0.699983914739813 1999-01-01 0.719468146223426 2000-01-01 0.767808634252264 2001-01-01 0.810211780174276 2002-01-01 0.842080572871955 2003-01-01 0.882340499549261 2004-01-01 0.925468786467164 2005-01-01 0.993122711779493 2006-01-01 1.071018941915100 2007-01-01 1.135903102551680 2008-01-01 1.109874621691280 2009-01-01 1.038873325709080 2010-01-01 1.000000000000000