Year	Index 2010=1
1975-01-01	0.143069432567635
1976-01-01	0.162073098371858
1977-01-01	0.172294996514975
1978-01-01	0.178994243314282
1979-01-01	0.197001209881544
1980-01-01	0.229715714177498
1981-01-01	0.252760159880768
1982-01-01	0.274313637071123
1983-01-01	0.298454681749696
1984-01-01	0.326946651510041
1985-01-01	0.355649369801346
1986-01-01	0.375782143649387
1987-01-01	0.418624339701738
1988-01-01	0.470550152003987
1989-01-01	0.516426658939346
1990-01-01	0.570515532656479
1991-01-01	0.591716260586006
1992-01-01	0.560941586810258
1993-01-01	0.530438372285878
1994-01-01	0.529784207610857
1995-01-01	0.548713841387248
1996-01-01	0.541196460603228
1997-01-01	0.546325103836440
1998-01-01	0.575657157424913
1999-01-01	0.608291178215955
2000-01-01	0.656131343070943
2001-01-01	0.703343063586976
2002-01-01	0.734687139919944
2003-01-01	0.774471008647881
2004-01-01	0.784235040960232
2005-01-01	0.814200470198751
2006-01-01	0.849752446813009
2007-01-01	0.877755420617874
2008-01-01	0.946211138703541
2009-01-01	0.976268739610650
2010-01-01	1.000000000000000