Year Index 2010=1 1970-01-01 0.277644395825203 1971-01-01 0.304940169415119 1972-01-01 0.319333361236006 1973-01-01 0.348538044982713 1974-01-01 0.388463559229762 1975-01-01 0.414112008398784 1976-01-01 0.437344818572126 1977-01-01 0.448477046274347 1978-01-01 0.459684250554839 1979-01-01 0.475679169314730 1980-01-01 0.501526522849464 1981-01-01 0.523494224459819 1982-01-01 0.540133496984319 1983-01-01 0.546510802164531 1984-01-01 0.559034701892018 1985-01-01 0.564870424659081 1986-01-01 0.571430876217824 1987-01-01 0.582023966725044 1988-01-01 0.589976637872038 1989-01-01 0.599160446789876 1990-01-01 0.615919279269463 1991-01-01 0.643745455925609 1992-01-01 0.696272746719102 1993-01-01 0.722402511430416 1994-01-01 0.746913453794878 1995-01-01 0.745622903136401 1996-01-01 0.744315847639408 1997-01-01 0.761391494839108 1998-01-01 0.784060756338405 1999-01-01 0.820378772055366 2000-01-01 0.864404255530643 2001-01-01 0.875116465177869 2002-01-01 0.884669098083617 2003-01-01 0.905900206909652 2004-01-01 0.938906729887321 2005-01-01 0.943947227624469 2006-01-01 0.932070567694820 2007-01-01 0.942266818649416 2008-01-01 0.964417767242441 2009-01-01 0.988151377522226 2010-01-01 1.000000000000000