Year Index 2010=1 1970-01-01 0.17800000000000002 1971-01-01 0.18700000000000000 1972-01-01 0.19500000000000000 1973-01-01 0.21000000000000000 1974-01-01 0.23800000000000002 1975-01-01 0.26400000000000000 1976-01-01 0.28500000000000003 1977-01-01 0.30900000000000000 1978-01-01 0.33100000000000000 1979-01-01 0.36300000000000000 1980-01-01 0.40800000000000000 1981-01-01 0.45000000000000000 1982-01-01 0.48200000000000004 1983-01-01 0.50500000000000000 1984-01-01 0.52800000000000000 1985-01-01 0.54900000000000000 1986-01-01 0.56100000000000000 1987-01-01 0.57700000000000010 1988-01-01 0.59600000000000000 1989-01-01 0.62100000000000000 1990-01-01 0.65099999999999990 1991-01-01 0.68000000000000000 1992-01-01 0.70200000000000010 1993-01-01 0.72200000000000010 1994-01-01 0.73900000000000010 1995-01-01 0.75600000000000000 1996-01-01 0.77300000000000000 1997-01-01 0.78900000000000000 1998-01-01 0.79900000000000000 1999-01-01 0.81099999999999990 2000-01-01 0.83000000000000010 2001-01-01 0.84700000000000010 2002-01-01 0.85800000000000000 2003-01-01 0.87400000000000010 2004-01-01 0.89200000000000000 2005-01-01 0.91300000000000000 2006-01-01 0.93500000000000000 2007-01-01 0.95600000000000000 2008-01-01 0.98700000000000010 2009-01-01 0.98600000000000000 2010-01-01 1.00000000000000000 2011-01-01 1.02600000000000000 2012-01-01 1.04500000000000000 2013-01-01 1.05900000000000020 2014-01-01 1.07600000000000000 2015-01-01 1.07900000000000020 2016-01-01 1.08800000000000000