Year Index 2010=1 1975-01-01 0.4690000000000000 1976-01-01 0.5050000000000000 1977-01-01 0.5280000000000000 1978-01-01 0.5500000000000000 1979-01-01 0.5740000000000000 1980-01-01 0.5740000000000000 1981-01-01 0.5770000000000001 1982-01-01 0.5630000000000000 1983-01-01 0.5720000000000001 1984-01-01 0.6090000000000000 1985-01-01 0.6290000000000000 1986-01-01 0.6350000000000000 1987-01-01 0.6590000000000000 1988-01-01 0.6940000000000001 1989-01-01 0.7170000000000001 1990-01-01 0.7360000000000000 1991-01-01 0.7330000000000000 1992-01-01 0.7310000000000000 1993-01-01 0.7280000000000000 1994-01-01 0.7600000000000000 1995-01-01 0.7890000000000000 1996-01-01 0.8120000000000000 1997-01-01 0.8550000000000000 1998-01-01 0.8740000000000001 1999-01-01 0.9009999999999999 2000-01-01 0.9480000000000000 2001-01-01 0.9279999999999999 2002-01-01 0.9309999999999999 2003-01-01 0.9470000000000001 2004-01-01 0.9790000000000001 2005-01-01 1.0060000000000000 2006-01-01 1.0440000000000000 2007-01-01 1.0790000000000002 2008-01-01 1.0570000000000000 2009-01-01 0.9270000000000000 2010-01-01 1.0000000000000000 2011-01-01 1.0280000000000000 2012-01-01 1.0360000000000000 2013-01-01 1.0420000000000000 2014-01-01 1.0650000000000000 2015-01-01 1.0700000000000000 2016-01-01 1.0730000000000000