Year	Index 2010=1
1990-01-01	0.748291466271605
1991-01-01	0.754227486188285
1992-01-01	0.740836410234886
1993-01-01	0.729909239928811
1994-01-01	0.746425385893435
1995-01-01	0.754467278259480
1996-01-01	0.770917223556114
1997-01-01	0.774238965004138
1998-01-01	0.776284795711869
1999-01-01	0.765666363222608
2000-01-01	0.747179807150655
2001-01-01	0.795910236360350
2002-01-01	0.807435706067918
2003-01-01	0.826244348052472
2004-01-01	0.849135490486990
2005-01-01	0.884418627659966
2006-01-01	0.933307379677432
2007-01-01	0.953535213852967
2008-01-01	0.989990114690686
2009-01-01	0.993302164470988
2010-01-01	1.000000000000000