Year	Index 2010=1
1980-01-01	0.353785046521539
1981-01-01	0.389950719776029
1982-01-01	0.406424141002494
1983-01-01	0.417408002794934
1984-01-01	0.437773391360436
1985-01-01	0.461015531933334
1986-01-01	0.474577488651385
1987-01-01	0.482890743580934
1988-01-01	0.521845795788299
1989-01-01	0.567001816946650
1990-01-01	0.620563793692636
1991-01-01	0.668911566920666
1992-01-01	0.687615699170086
1993-01-01	0.679674743435658
1994-01-01	0.668556774490753
1995-01-01	0.682062172211193
1996-01-01	0.687625628853183
1997-01-01	0.701914862611427
1998-01-01	0.732248720326650
1999-01-01	0.745833749902593
2000-01-01	0.766064733546778
2001-01-01	0.793394148642890
2002-01-01	0.810889296757227
2003-01-01	0.829590425689889
2004-01-01	0.835378357264844
2005-01-01	0.848014254046692
2006-01-01	0.863549932893414
2007-01-01	0.894234044264714
2008-01-01	0.909671952896469
2009-01-01	0.981753943256512
2010-01-01	1.000000000000000