Year Index 2010=1 1987-01-01 0.708651191636271 1988-01-01 0.710753652245820 1989-01-01 0.705050501496701 1990-01-01 0.714964047879177 1991-01-01 0.745066157913942 1992-01-01 0.778216703270112 1993-01-01 0.799860407694260 1994-01-01 0.805922544907782 1995-01-01 0.809927650602920 1996-01-01 0.823318242315820 1997-01-01 0.817752544445815 1998-01-01 0.830094336252633 1999-01-01 0.842133565745029 2000-01-01 0.867637818078798 2001-01-01 0.907629543756918 2002-01-01 0.946868301248184 2003-01-01 0.951661203025413 2004-01-01 0.950495116586361 2005-01-01 0.939876727071494 2006-01-01 0.942377715673784 2007-01-01 0.962627402482224 2008-01-01 0.982599275218330 2009-01-01 1.028064628571700 2010-01-01 1.000000000000000