Year	Index 2010=1
1978-01-01	0.493243343410160
1979-01-01	0.535970702043640
1980-01-01	0.604780608919143
1981-01-01	0.673284913487206
1982-01-01	0.750647496013290
1983-01-01	0.801685867194944
1984-01-01	0.854950923056200
1985-01-01	0.888554260224918
1986-01-01	0.918944424701673
1987-01-01	0.940335831828882
1988-01-01	0.932788992915260
1989-01-01	0.941730022768806
1990-01-01	0.963711393783189
1991-01-01	0.985017236758574
1992-01-01	1.011517504041470
1993-01-01	1.027254436507940
1994-01-01	1.006913055324940
1995-01-01	0.991935160196135
1996-01-01	0.999721025512887
1997-01-01	0.981604593837314
1998-01-01	0.942497682798621
1999-01-01	0.929174296902912
2000-01-01	0.917183409203187
2001-01-01	0.918389588269851
2002-01-01	0.926230501915249
2003-01-01	0.909940758108999
2004-01-01	0.911222943668807
2005-01-01	0.908045599657104
2006-01-01	0.919843079027906
2007-01-01	0.929185600768771
2008-01-01	0.963643786272378
2009-01-01	1.035582097880910
2010-01-01	1.000000000000000
