Year	Index 2010=1
1980-01-01	0.684842799189478
1981-01-01	0.726694396441682
1982-01-01	0.758240533376890
1983-01-01	0.763194745085067
1984-01-01	0.772538804305382
1985-01-01	0.797653321861890
1986-01-01	0.807410612862573
1987-01-01	0.811862460063246
1988-01-01	0.814631949120779
1989-01-01	0.836169572584970
1990-01-01	0.865138361765635
1991-01-01	0.885399015505790
1992-01-01	0.921004059570516
1993-01-01	0.959527598139813
1994-01-01	0.965275980620104
1995-01-01	0.975041198422062
1996-01-01	0.966383925683429
1997-01-01	0.936005316370684
1998-01-01	0.926700741941947
1999-01-01	0.940701730009269
2000-01-01	0.911844559511789
2001-01-01	0.948109939573941
2002-01-01	0.961878594561716
2003-01-01	0.961725450565182
2004-01-01	0.944611315596922
2005-01-01	0.944922131526214
2006-01-01	0.956945054177227
2007-01-01	0.964242614015266
2008-01-01	0.993025842002469
2009-01-01	1.033833213044840
2010-01-01	1.000000000000000