Year Index 2010=1, Trend 1970-01-01 0.104907919753363 1971-01-01 0.112559439724487 1972-01-01 0.119313874861185 1973-01-01 0.129815842732711 1974-01-01 0.149637115216759 1975-01-01 0.170655917132531 1976-01-01 0.186746752857430 1977-01-01 0.203789116486655 1978-01-01 0.221959569651345 1979-01-01 0.245190977992575 1980-01-01 0.274624547198279 1981-01-01 0.302494492074792 1982-01-01 0.329716672793393 1983-01-01 0.354258244449870 1984-01-01 0.375633035004856 1985-01-01 0.399007358250903 1986-01-01 0.424992629270706 1987-01-01 0.459599260656758 1988-01-01 0.496071770717404 1989-01-01 0.528870421625670 1990-01-01 0.565286422179408 1991-01-01 0.606498149499284 1992-01-01 0.638618351842152 1993-01-01 0.664130641872470 1994-01-01 0.682718068343089 1995-01-01 0.707117143861820 1996-01-01 0.734808649543874 1997-01-01 0.763587443479963 1998-01-01 0.790668126086472 1999-01-01 0.816457023577783 2000-01-01 0.835594327189295 2001-01-01 0.861475096822769 2002-01-01 0.879347431586323 2003-01-01 0.898280627053869 2004-01-01 0.906595274542219 2005-01-01 0.920545475501784 2006-01-01 0.937730189646888 2007-01-01 0.955657201696918 2008-01-01 0.976006271861150 2009-01-01 0.995463606775271 2010-01-01 0.999999999999352