Year Index 2010=1 1980-01-01 0.574738695087947 1981-01-01 0.642529413517544 1982-01-01 0.709387689886858 1983-01-01 0.770464422407611 1984-01-01 0.796492402035464 1985-01-01 0.856873946025719 1986-01-01 0.863350552383386 1987-01-01 0.886085586445031 1988-01-01 0.894047680258428 1989-01-01 0.888608795167328 1990-01-01 0.896948316309506 1991-01-01 0.903443883464042 1992-01-01 0.928195153116934 1993-01-01 0.941050313436555 1994-01-01 0.918009382688918 1995-01-01 0.907265262858764 1996-01-01 0.913092128869199 1997-01-01 0.875225429437890 1998-01-01 0.852745434490760 1999-01-01 0.847926094523452 2000-01-01 0.858772841898508 2001-01-01 0.866108729423955 2002-01-01 0.890150776610778 2003-01-01 0.917357731369161 2004-01-01 0.936184004683000 2005-01-01 0.951967249486908 2006-01-01 0.954980597535686 2007-01-01 0.948171141710452 2008-01-01 0.973647317768096 2009-01-01 1.021391812769840 2010-01-01 1.000000000000000