Year Index 2010=1 1990-01-01 0.740411668354721 1991-01-01 0.762701865307430 1992-01-01 0.740264104818896 1993-01-01 0.726599844868752 1994-01-01 0.742056936489856 1995-01-01 0.751996035759019 1996-01-01 0.771009334075607 1997-01-01 0.781667197007352 1998-01-01 0.794941614193586 1999-01-01 0.778521592037425 2000-01-01 0.753185350841715 2001-01-01 0.800460862775819 2002-01-01 0.803496537793100 2003-01-01 0.822627840266860 2004-01-01 0.854880316467519 2005-01-01 0.899144778556906 2006-01-01 0.946745410089073 2007-01-01 0.956418420545060 2008-01-01 0.992382338248461 2009-01-01 1.002600555547880 2010-01-01 1.000000000000000