Year	Index 2010=1
1981-01-01	0.329855011241186
1982-01-01	0.385432858541509
1983-01-01	0.432313687258236
1984-01-01	0.463260406025958
1985-01-01	0.497438719582283
1986-01-01	0.521853573777930
1987-01-01	0.538881019673986
1988-01-01	0.555673839885454
1989-01-01	0.591083491121975
1990-01-01	0.639230896621662
1991-01-01	0.692867314499308
1992-01-01	0.710139075547517
1993-01-01	0.730830485717079
1994-01-01	0.708015390205982
1995-01-01	0.716687908736186
1996-01-01	0.747958248669386
1997-01-01	0.766697318293703
1998-01-01	0.760321297375181
1999-01-01	0.767835046537849
2000-01-01	0.752397111591229
2001-01-01	0.774887289565850
2002-01-01	0.800001508745548
2003-01-01	0.846489199695805
2004-01-01	0.859085481975218
2005-01-01	0.872814336771804
2006-01-01	0.878318102485676
2007-01-01	0.900009013401031
2008-01-01	0.956160972570747
2009-01-01	1.052838338188120
2010-01-01	1.000000000000000