Year	Index 2010=1
1978-01-01	0.493904727387430
1979-01-01	0.538069201889051
1980-01-01	0.604962673238537
1981-01-01	0.671744649540806
1982-01-01	0.753323659323289
1983-01-01	0.803028795440237
1984-01-01	0.854620710960537
1985-01-01	0.888915875712976
1986-01-01	0.918711320162785
1987-01-01	0.941909507434267
1988-01-01	0.933917975521212
1989-01-01	0.942102166868728
1990-01-01	0.964906937566746
1991-01-01	0.985466701358355
1992-01-01	1.011427723263600
1993-01-01	1.028630630891680
1994-01-01	1.008702365600130
1995-01-01	0.992251260277751
1996-01-01	1.001424375215070
1997-01-01	0.985401535616384
1998-01-01	0.943131152837191
1999-01-01	0.930604934604024
2000-01-01	0.919014162745159
2001-01-01	0.918482671669179
2002-01-01	0.926225794485337
2003-01-01	0.909938209962708
2004-01-01	0.913130144577962
2005-01-01	0.908460997662152
2006-01-01	0.920052628110654
2007-01-01	0.928771224798629
2008-01-01	0.965757604798509
2009-01-01	1.036950459599160
2010-01-01	1.000000000000000