Year Index 2005=1, Trend 1970-01-01 0.154024800983927 1971-01-01 0.170068227014313 1972-01-01 0.180291686689291 1973-01-01 0.198968958660822 1974-01-01 0.230591037595451 1975-01-01 0.259694425948693 1976-01-01 0.285395979899912 1977-01-01 0.300246329584679 1978-01-01 0.320466170250690 1979-01-01 0.344258198761617 1980-01-01 0.373632726153750 1981-01-01 0.402329457557955 1982-01-01 0.435826421468394 1983-01-01 0.469836454723315 1984-01-01 0.492639129682824 1985-01-01 0.515315614080069 1986-01-01 0.533949737777458 1987-01-01 0.554387904256987 1988-01-01 0.579947924593929 1989-01-01 0.601286334792353 1990-01-01 0.646346570123884 1991-01-01 0.684580123395020 1992-01-01 0.723423475182438 1993-01-01 0.743470005482706 1994-01-01 0.766726810170515 1995-01-01 0.781924165062450 1996-01-01 0.789686121273200 1997-01-01 0.792176401935964 1998-01-01 0.813360191546031 1999-01-01 0.849597994174659 2000-01-01 0.882447691560565 2001-01-01 0.915139270835436 2002-01-01 0.938895306612038 2003-01-01 0.959294491896735 2004-01-01 0.979413830378780 2005-01-01 1.000000000000000 2006-01-01 1.019011342177060 2007-01-01 1.043853680784170 2008-01-01 1.075802009887080 2009-01-01 1.082233604693210 2010-01-01 1.099526282241940