Year	Index 2010=1
1981-01-01	0.283790769491378
1982-01-01	0.337472620646360
1983-01-01	0.393795618314648
1984-01-01	0.433545317453146
1985-01-01	0.468261734781495
1986-01-01	0.493324076205477
1987-01-01	0.519359451040046
1988-01-01	0.544584412239282
1989-01-01	0.580562655436988
1990-01-01	0.622880935447269
1991-01-01	0.672400447801102
1992-01-01	0.717201804148018
1993-01-01	0.711825035347537
1994-01-01	0.708680107642603
1995-01-01	0.720566839552304
1996-01-01	0.751235859973127
1997-01-01	0.764317290501671
1998-01-01	0.763285294658151
1999-01-01	0.789011759891767
2000-01-01	0.780360428279422
2001-01-01	0.794243914273282
2002-01-01	0.826151071588685
2003-01-01	0.856994671026036
2004-01-01	0.869617575208420
2005-01-01	0.900119831195148
2006-01-01	0.914494537388848
2007-01-01	0.938384445906185
2008-01-01	0.966780825037525
2009-01-01	0.996436922968239
2010-01-01	1.000000000000000