Year Index 2010=1 1980-01-01 0.316312039992788 1981-01-01 0.351618727328421 1982-01-01 0.377453387172106 1983-01-01 0.400242820435590 1984-01-01 0.426619073731253 1985-01-01 0.449729395699343 1986-01-01 0.456211939957637 1987-01-01 0.451847389983184 1988-01-01 0.502437565922281 1989-01-01 0.560783811895261 1990-01-01 0.619227716978765 1991-01-01 0.671867408574966 1992-01-01 0.725843179496055 1993-01-01 0.719515911344901 1994-01-01 0.709230978396504 1995-01-01 0.709928274450316 1996-01-01 0.716083959466000 1997-01-01 0.734015281348591 1998-01-01 0.766470542485604 1999-01-01 0.782543352428263 2000-01-01 0.807513763229936 2001-01-01 0.839685984575918 2002-01-01 0.852787607298976 2003-01-01 0.871753935652037 2004-01-01 0.877839213803248 2005-01-01 0.881107451848832 2006-01-01 0.884305548100380 2007-01-01 0.908783993575289 2008-01-01 0.917899998808804 2009-01-01 0.977096592414662 2010-01-01 1.000000000000000