Year	Index 2010=1
1988-01-01	0.745479102952718
1989-01-01	0.763425502329187
1990-01-01	0.786277799642648
1991-01-01	0.821205267624753
1992-01-01	0.856911169106758
1993-01-01	0.886584811296894
1994-01-01	0.897661968550044
1995-01-01	0.885009057076027
1996-01-01	0.883021913725794
1997-01-01	0.880505066991405
1998-01-01	0.881918709899013
1999-01-01	0.882740875996086
2000-01-01	0.875462442768454
2001-01-01	0.881792941365942
2002-01-01	0.886018769513758
2003-01-01	0.898017244492906
2004-01-01	0.891212573426450
2005-01-01	0.904590093461853
2006-01-01	0.909956647965581
2007-01-01	0.918529556348831
2008-01-01	0.942028554690826
2009-01-01	1.001346019982080
2010-01-01	1.000000000000000