Year	Index 2010=1
1975-01-01	0.216018546990983
1976-01-01	0.252384521991576
1977-01-01	0.278198148998135
1978-01-01	0.286539317274857
1979-01-01	0.307809277577653
1980-01-01	0.350267174807228
1981-01-01	0.391880024267174
1982-01-01	0.421448595021286
1983-01-01	0.451327384310944
1984-01-01	0.482258743426036
1985-01-01	0.512286253773410
1986-01-01	0.532756680215588
1987-01-01	0.564904051472643
1988-01-01	0.610714939793992
1989-01-01	0.649243366836398
1990-01-01	0.701303664624048
1991-01-01	0.737569044278104
1992-01-01	0.735919430249044
1993-01-01	0.708892619158044
1994-01-01	0.689709006875304
1995-01-01	0.697722022344286
1996-01-01	0.696121145822849
1997-01-01	0.703369440010371
1998-01-01	0.716238398726732
1999-01-01	0.731456565328738
2000-01-01	0.753518093906596
2001-01-01	0.770681384942452
2002-01-01	0.792057919534737
2003-01-01	0.812911669171347
2004-01-01	0.803284336217336
2005-01-01	0.826844034310821
2006-01-01	0.852174622855258
2007-01-01	0.855253690489995
2008-01-01	0.917022776509147
2009-01-01	1.009366172150200
2010-01-01	1.000000000000000