Year Index 2010=1, Trend 1970-01-01 0.0660121316324249 1971-01-01 0.0719632915377644 1972-01-01 0.0772637483840890 1973-01-01 0.0846725188519349 1974-01-01 0.0971837952753376 1975-01-01 0.1151959227349010 1976-01-01 0.1276062141451490 1977-01-01 0.1411188357248670 1978-01-01 0.1564035524754930 1979-01-01 0.1775241069835440 1980-01-01 0.2035716531711370 1981-01-01 0.2273401981793070 1982-01-01 0.2480460722402920 1983-01-01 0.2673737225290450 1984-01-01 0.2842040021796670 1985-01-01 0.3031359400577270 1986-01-01 0.3197686736476750 1987-01-01 0.3375770037313330 1988-01-01 0.3601638506261000 1989-01-01 0.3943957563129980 1990-01-01 0.4323632007631600 1991-01-01 0.4767425608193510 1992-01-01 0.5124745092311700 1993-01-01 0.5408626981063450 1994-01-01 0.5657401337296040 1995-01-01 0.5956988105128800 1996-01-01 0.6371153998237080 1997-01-01 0.6788381565505950 1998-01-01 0.7163421758560520 1999-01-01 0.7637708771540890 2000-01-01 0.7880544957320720 2001-01-01 0.8246356554060220 2002-01-01 0.8583792531012860 2003-01-01 0.8855057620968460 2004-01-01 0.8950061948714640 2005-01-01 0.9067274550995370 2006-01-01 0.9187726815975500 2007-01-01 0.9356834857681360 2008-01-01 0.9624517795657520 2009-01-01 0.9937570095301140 2010-01-01 1.0000000000081100