Year	Index 2010=1
1980-01-01	0.485538130769276
1981-01-01	0.510442644747596
1982-01-01	0.536978653974516
1983-01-01	0.563295462369356
1984-01-01	0.585062024596253
1985-01-01	0.607613867780304
1986-01-01	0.628635995073324
1987-01-01	0.641461836117770
1988-01-01	0.638389385432745
1989-01-01	0.660996678375420
1990-01-01	0.691594015563697
1991-01-01	0.733417598999492
1992-01-01	0.768527121537280
1993-01-01	0.806831556699276
1994-01-01	0.808161667677584
1995-01-01	0.806571506484802
1996-01-01	0.813738183087131
1997-01-01	0.812776743734055
1998-01-01	0.823118211593211
1999-01-01	0.840603828918218
2000-01-01	0.848098034643864
2001-01-01	0.880480562575664
2002-01-01	0.890742622690812
2003-01-01	0.889039189463146
2004-01-01	0.885067903478209
2005-01-01	0.891583311730041
2006-01-01	0.909141287682797
2007-01-01	0.928971648064386
2008-01-01	0.965893124878139
2009-01-01	1.014291789115360
2010-01-01	1.000000000000000