Year Index 2010=1 1970-01-01 0.0811857228174224 1971-01-01 0.0882717322605459 1972-01-01 0.0965111357452575 1973-01-01 0.1056209599133640 1974-01-01 0.1276040910793740 1975-01-01 0.1702305842870250 1976-01-01 0.1894735018178720 1977-01-01 0.2038871565431580 1978-01-01 0.2245838748847310 1979-01-01 0.2550636178358180 1980-01-01 0.3169586118765790 1981-01-01 0.3515424042904680 1982-01-01 0.3669008378731710 1983-01-01 0.3818782122844180 1984-01-01 0.3999860236256930 1985-01-01 0.4209633807770600 1986-01-01 0.4402035388455030 1987-01-01 0.4594028320618810 1988-01-01 0.4916934294319020 1989-01-01 0.5387674873658880 1990-01-01 0.5890754910193540 1991-01-01 0.6344690421761380 1992-01-01 0.6555042466198180 1993-01-01 0.6590889394082910 1994-01-01 0.6551094286133790 1995-01-01 0.6662321176671930 1996-01-01 0.6751613926577820 1997-01-01 0.6911482528353650 1998-01-01 0.7165162849768900 1999-01-01 0.7329791474165450 2000-01-01 0.7537609396751340 2001-01-01 0.7809901425667690 2002-01-01 0.8003982989500740 2003-01-01 0.8240916429463070 2004-01-01 0.8384878859353040 2005-01-01 0.8582631361083720 2006-01-01 0.8772960124735850 2007-01-01 0.9018189551857460 2008-01-01 0.9236558320871440 2009-01-01 0.9798920934749540 2010-01-01 1.0000000000000000