Year	Index 2010=1
1990-01-01	0.892794759766441
1991-01-01	0.893209419204554
1992-01-01	0.878678396598541
1993-01-01	0.858337446046539
1994-01-01	0.842378863057454
1995-01-01	0.836850131641338
1996-01-01	0.859854838252541
1997-01-01	0.868347533985968
1998-01-01	0.856007002292984
1999-01-01	0.807997656524076
2000-01-01	0.766967591358872
2001-01-01	0.785464799188123
2002-01-01	0.798629708460810
2003-01-01	0.834308080985434
2004-01-01	0.844882573755908
2005-01-01	0.865132053466840
2006-01-01	0.905299960106651
2007-01-01	0.898320776089584
2008-01-01	0.943122739419192
2009-01-01	0.989972369672974
2010-01-01	1.000000000000000