Year Index 2010=1 1990-01-01 0.530555348056072 1991-01-01 0.524820000998528 1992-01-01 0.535996433447746 1993-01-01 0.542767390938679 1994-01-01 0.597403598232678 1995-01-01 0.628370529050032 1996-01-01 0.669199560130639 1997-01-01 0.697178445081218 1998-01-01 0.723629131808322 1999-01-01 0.718705678990076 2000-01-01 0.722570656944811 2001-01-01 0.730052925293936 2002-01-01 0.746108374809327 2003-01-01 0.769651585354735 2004-01-01 0.802107422403256 2005-01-01 0.857790579663530 2006-01-01 0.892478396124192 2007-01-01 0.884731459386389 2008-01-01 0.915869891400705 2009-01-01 0.952941656964061 2010-01-01 1.000000000000000