Year Index 2010=1 1970-01-01 0.12200000000000000 1971-01-01 0.12700000000000000 1972-01-01 0.13100000000000000 1973-01-01 0.14200000000000000 1974-01-01 0.18600000000000003 1975-01-01 0.20900000000000000 1976-01-01 0.22800000000000000 1977-01-01 0.24900000000000000 1978-01-01 0.26100000000000000 1979-01-01 0.31100000000000000 1980-01-01 0.39600000000000000 1981-01-01 0.45500000000000000 1982-01-01 0.48300000000000000 1983-01-01 0.50000000000000000 1984-01-01 0.51200000000000000 1985-01-01 0.52400000000000000 1986-01-01 0.46700000000000000 1987-01-01 0.45799999999999996 1988-01-01 0.45700000000000000 1989-01-01 0.47900000000000000 1990-01-01 0.51400000000000000 1991-01-01 0.53100000000000000 1992-01-01 0.53600000000000000 1993-01-01 0.54400000000000000 1994-01-01 0.55000000000000000 1995-01-01 0.55400000000000000 1996-01-01 0.57000000000000010 1997-01-01 0.58100000000000010 1998-01-01 0.55100000000000000 1999-01-01 0.56600000000000010 2000-01-01 0.64200000000000000 2001-01-01 0.65900000000000000 2002-01-01 0.63500000000000000 2003-01-01 0.68299999999999990 2004-01-01 0.73600000000000000 2005-01-01 0.83100000000000000 2006-01-01 0.91200000000000000 2007-01-01 0.95100000000000000 2008-01-01 1.07200000000000000 2009-01-01 0.92900000000000000 2010-01-01 1.00000000000000000 2011-01-01 1.12900000000000000 2012-01-01 1.16400000000000010 2013-01-01 1.17300000000000000 2014-01-01 1.17800000000000000 2015-01-01 1.03200000000000000 2016-01-01 0.96900000000000010