Year	Index 2010=1
1981-01-01	0.286706403972108
1982-01-01	0.337368317629610
1983-01-01	0.386573574353048
1984-01-01	0.420035144707808
1985-01-01	0.455569207222628
1986-01-01	0.481293335669894
1987-01-01	0.503480183755526
1988-01-01	0.525034457122682
1989-01-01	0.558597628371447
1990-01-01	0.603705382343966
1991-01-01	0.654255282531666
1992-01-01	0.689264021167556
1993-01-01	0.696784942742302
1994-01-01	0.688251992133558
1995-01-01	0.698888349273646
1996-01-01	0.728226217555800
1997-01-01	0.746824924121683
1998-01-01	0.742145058337359
1999-01-01	0.762243370558289
2000-01-01	0.752700846374633
2001-01-01	0.769874522281823
2002-01-01	0.799040703942186
2003-01-01	0.835883270896812
2004-01-01	0.848918589799831
2005-01-01	0.874437900049145
2006-01-01	0.885259485420578
2007-01-01	0.911475795243085
2008-01-01	0.952520995394638
2009-01-01	1.006989880983960
2010-01-01	1.000000000000000