Year	Index 2010=1
1978-01-01	0.282945187599108
1979-01-01	0.276670401077311
1980-01-01	0.307037903826506
1981-01-01	0.343211912786669
1982-01-01	0.367388408099401
1983-01-01	0.390189790435266
1984-01-01	0.402171705636752
1985-01-01	0.425955756921913
1986-01-01	0.471844560397489
1987-01-01	0.511655239744616
1988-01-01	0.549188717133702
1989-01-01	0.559638372706625
1990-01-01	0.580280046592453
1991-01-01	0.610661918400928
1992-01-01	0.617780247979849
1993-01-01	0.627797534590635
1994-01-01	0.646397561221802
1995-01-01	0.670174307901199
1996-01-01	0.678373710093613
1997-01-01	0.705722655772996
1998-01-01	0.766556014615098
1999-01-01	0.784497909886586
2000-01-01	0.804224991205697
2001-01-01	0.828528535494546
2002-01-01	0.853199213210373
2003-01-01	0.819058942450664
2004-01-01	0.798176239173637
2005-01-01	0.807870755739454
2006-01-01	0.874102554514708
2007-01-01	0.920232288548438
2008-01-01	0.961649923611517
2009-01-01	1.006939109108880
2010-01-01	1.000000000000000