Year	Index 2010=1
1980-01-01	0.407338216336321
1981-01-01	0.420551956445697
1982-01-01	0.443316849608127
1983-01-01	0.479713940828257
1984-01-01	0.507440291610970
1985-01-01	0.531530977981832
1986-01-01	0.561746492338399
1987-01-01	0.580359797332705
1988-01-01	0.575608474958275
1989-01-01	0.599873550477976
1990-01-01	0.633865500979296
1991-01-01	0.684411689903305
1992-01-01	0.715931514615078
1993-01-01	0.753321605149582
1994-01-01	0.752402248321293
1995-01-01	0.740028190622147
1996-01-01	0.754191884687564
1997-01-01	0.768525738633927
1998-01-01	0.785990245234820
1999-01-01	0.802726615710117
2000-01-01	0.829171362789516
2001-01-01	0.861512094604786
2002-01-01	0.867377293579962
2003-01-01	0.864777771090210
2004-01-01	0.866941328889166
2005-01-01	0.877381256770439
2006-01-01	0.899522729171300
2007-01-01	0.921688680324041
2008-01-01	0.957036503115592
2009-01-01	1.008016996390030
2010-01-01	1.000000000000000