Year Index 2010=1 1980-01-01 0.685033593112088 1981-01-01 0.725737222240397 1982-01-01 0.756907421532026 1983-01-01 0.763080047426081 1984-01-01 0.771679932413698 1985-01-01 0.796489821012052 1986-01-01 0.806738420848302 1987-01-01 0.811098474035970 1988-01-01 0.813662136237392 1989-01-01 0.835400878375852 1990-01-01 0.864209112242303 1991-01-01 0.884095956644160 1992-01-01 0.920594240971096 1993-01-01 0.958937342662361 1994-01-01 0.964186734317146 1995-01-01 0.976015261588764 1996-01-01 0.966517893807180 1997-01-01 0.936358195885192 1998-01-01 0.927306854977336 1999-01-01 0.940352015797508 2000-01-01 0.910518063007837 2001-01-01 0.948517192276190 2002-01-01 0.960970422558708 2003-01-01 0.960780852925552 2004-01-01 0.943181791515996 2005-01-01 0.944724955217211 2006-01-01 0.957384759483797 2007-01-01 0.964190461026899 2008-01-01 0.994187006549506 2009-01-01 1.033375548803010 2010-01-01 1.000000000000000