Year Index 2010=1, Trend 1980-01-01 0.212306910356328 1981-01-01 0.239661767236286 1982-01-01 0.266014382727052 1983-01-01 0.298552410443448 1984-01-01 0.326624750220393 1985-01-01 0.350983317626050 1986-01-01 0.391990501368471 1987-01-01 0.420183989314958 1988-01-01 0.431288765019488 1989-01-01 0.448517160454573 1990-01-01 0.485531673402019 1991-01-01 0.535268704653022 1992-01-01 0.585485585374650 1993-01-01 0.618740851470324 1994-01-01 0.622655717311940 1995-01-01 0.624365784783615 1996-01-01 0.656706897993542 1997-01-01 0.686119070916405 1998-01-01 0.715087323938716 1999-01-01 0.743750809799140 2000-01-01 0.784812337511330 2001-01-01 0.817227751405235 2002-01-01 0.842292524827314 2003-01-01 0.858773238883489 2004-01-01 0.873707311221565 2005-01-01 0.889321015260762 2006-01-01 0.914756387060221 2007-01-01 0.944682226289056 2008-01-01 0.992009683764496 2009-01-01 1.006994840683990 2010-01-01 1.000000000000000