Year	Index 2010=1
1980-01-01	0.432183949439513
1981-01-01	0.442251364170583
1982-01-01	0.476467205879338
1983-01-01	0.530403369398792
1984-01-01	0.561226839198123
1985-01-01	0.573529391726751
1986-01-01	0.589603617462111
1987-01-01	0.601097203188701
1988-01-01	0.588006513314072
1989-01-01	0.612666419079274
1990-01-01	0.633232790611877
1991-01-01	0.680126867063814
1992-01-01	0.722389752772247
1993-01-01	0.779953483536826
1994-01-01	0.779390438868888
1995-01-01	0.750636522037360
1996-01-01	0.750298363513440
1997-01-01	0.764018920975026
1998-01-01	0.771516186157626
1999-01-01	0.789841645105117
2000-01-01	0.820036823109411
2001-01-01	0.872572692959422
2002-01-01	0.869829699125240
2003-01-01	0.882131322446060
2004-01-01	0.884493063512049
2005-01-01	0.881834930307267
2006-01-01	0.896835416955175
2007-01-01	0.940620583015670
2008-01-01	0.969358939741727
2009-01-01	0.998022413105343
2010-01-01	1.000000000000000