Year Index 2010=1, Trend 1970-01-01 0.0790180198787164 1971-01-01 0.0857727565524590 1972-01-01 0.0913090202762161 1973-01-01 0.0993109056253409 1974-01-01 0.1139020888902540 1975-01-01 0.1353439104270920 1976-01-01 0.1470103261992410 1977-01-01 0.1598620370170320 1978-01-01 0.1726528367011900 1979-01-01 0.1882806048387970 1980-01-01 0.2121473172002330 1981-01-01 0.2345390864589880 1982-01-01 0.2553282689609240 1983-01-01 0.2716035250547100 1984-01-01 0.2851937897633220 1985-01-01 0.2986738850107890 1986-01-01 0.3113976604102350 1987-01-01 0.3249263098791810 1988-01-01 0.3473716162990610 1989-01-01 0.3770165545654640 1990-01-01 0.4140096899267590 1991-01-01 0.4546996779465930 1992-01-01 0.4923783865448010 1993-01-01 0.5201101861075370 1994-01-01 0.5405397634570050 1995-01-01 0.5660702425911940 1996-01-01 0.6105276664071790 1997-01-01 0.6542858869533790 1998-01-01 0.6934406026777220 1999-01-01 0.7439244288897150 2000-01-01 0.7740838729374130 2001-01-01 0.8114647789285920 2002-01-01 0.8405918836899750 2003-01-01 0.8615116401741070 2004-01-01 0.8700910022473430 2005-01-01 0.8821025711572810 2006-01-01 0.8944735169228180 2007-01-01 0.9189151053452790 2008-01-01 0.9555328873998110 2009-01-01 0.9921727516846100 2010-01-01 0.9999999999764740