Year Index 2010=1, Trend 1970-01-01 0.601943038386978 1971-01-01 0.666757069571858 1972-01-01 0.685692212594058 1973-01-01 0.786314403458758 1974-01-01 0.970488791453552 1975-01-01 1.071072644992660 1976-01-01 1.159375135469180 1977-01-01 1.246190273507440 1978-01-01 1.284502546353290 1979-01-01 1.301588942498990 1980-01-01 1.301197025123290 1981-01-01 1.374360940753350 1982-01-01 1.422716615295170 1983-01-01 1.429846287251440 1984-01-01 1.429987094804100 1985-01-01 1.413606198467620 1986-01-01 1.412569418130370 1987-01-01 1.382767305684050 1988-01-01 1.364129170405420 1989-01-01 1.371980599091140 1990-01-01 1.354248650789560 1991-01-01 1.353624186575890 1992-01-01 1.338248243837010 1993-01-01 1.334806586958720 1994-01-01 1.301918378788080 1995-01-01 1.272823843206950 1996-01-01 1.251618490338620 1997-01-01 1.235013149647860 1998-01-01 1.228243822316580 1999-01-01 1.179884300264840 2000-01-01 1.157994006280230 2001-01-01 1.103301261249850 2002-01-01 1.043935426379190 2003-01-01 1.011486983330770 2004-01-01 0.973232018957201 2005-01-01 0.951250074750784 2006-01-01 0.962978213525260 2007-01-01 0.948955215213807 2008-01-01 0.965984430521054 2009-01-01 1.000274225482280 2010-01-01 1.000000000000000