Year Index 2010=1, Trend 1970-01-01 0.668299720869283 1971-01-01 0.725403791229262 1972-01-01 0.765399185440157 1973-01-01 0.862362005977521 1974-01-01 1.091427250148880 1975-01-01 1.228273820121160 1976-01-01 1.255193133702540 1977-01-01 1.331353526440900 1978-01-01 1.365772428193460 1979-01-01 1.353931933155540 1980-01-01 1.389785584263490 1981-01-01 1.451058607919330 1982-01-01 1.472786341777080 1983-01-01 1.513856070720840 1984-01-01 1.537580418585030 1985-01-01 1.463751151209770 1986-01-01 1.522910284089650 1987-01-01 1.510062190653610 1988-01-01 1.481822554771270 1989-01-01 1.490589168634690 1990-01-01 1.467600826326550 1991-01-01 1.483184498767520 1992-01-01 1.521892233625180 1993-01-01 1.574804737518520 1994-01-01 1.583959259199340 1995-01-01 1.523672200379900 1996-01-01 1.445747666306590 1997-01-01 1.442134394539230 1998-01-01 1.463811474090190 1999-01-01 1.425901889242330 2000-01-01 1.348088833572980 2001-01-01 1.383739913788000 2002-01-01 1.345290569530510 2003-01-01 1.235348937259190 2004-01-01 1.170058156901540 2005-01-01 1.108532915739210 2006-01-01 1.084437717607900 2007-01-01 1.041028598747880 2008-01-01 0.998586894714464 2009-01-01 0.992189441339234 2010-01-01 1.000000000000000