Year	Index 2010=1
1980-01-01	0.752192859024756
1981-01-01	0.769074269729671
1982-01-01	0.781244136462339
1983-01-01	0.782493901071470
1984-01-01	0.788231270520081
1985-01-01	0.814973083663944
1986-01-01	0.835499996530468
1987-01-01	0.849418562584247
1988-01-01	0.843227765765196
1989-01-01	0.843176226599839
1990-01-01	0.884998889259446
1991-01-01	0.940265799818681
1992-01-01	0.967676087879040
1993-01-01	1.004888127923090
1994-01-01	0.994371485801914
1995-01-01	0.973393453718795
1996-01-01	0.967437774323502
1997-01-01	0.930765982904330
1998-01-01	0.922355051674942
1999-01-01	0.937499533273847
2000-01-01	0.916430481732526
2001-01-01	0.952545269127826
2002-01-01	0.961157824237201
2003-01-01	0.963764343330386
2004-01-01	0.940580044359021
2005-01-01	0.936914356318152
2006-01-01	0.958256884696576
2007-01-01	0.959293758756586
2008-01-01	0.989624492891087
2009-01-01	1.034074930826600
2010-01-01	1.000000000000000