Year	Index 2010=1
1980-01-01	0.407455622275521
1981-01-01	0.420698036666573
1982-01-01	0.443095166242533
1983-01-01	0.479977511689236
1984-01-01	0.507322466742227
1985-01-01	0.531491042089474
1986-01-01	0.561641325466411
1987-01-01	0.579897923176561
1988-01-01	0.575030016584602
1989-01-01	0.599490555947027
1990-01-01	0.633177048685504
1991-01-01	0.682716583938019
1992-01-01	0.714759598247416
1993-01-01	0.752761094406457
1994-01-01	0.752335313044023
1995-01-01	0.741199816490378
1996-01-01	0.755109832636547
1997-01-01	0.768992739953618
1998-01-01	0.786932745540780
1999-01-01	0.802928332513389
2000-01-01	0.829911018228749
2001-01-01	0.861593200540335
2002-01-01	0.868529401083926
2003-01-01	0.864965502864698
2004-01-01	0.866591837887586
2005-01-01	0.877346285633501
2006-01-01	0.899927718870139
2007-01-01	0.922100482334544
2008-01-01	0.957847923850741
2009-01-01	1.008694373249560
2010-01-01	1.000000000000000