Year	Index 2010=1
1980-01-01	0.399673990855312
1981-01-01	0.414124000085727
1982-01-01	0.431717104624264
1983-01-01	0.459463181155271
1984-01-01	0.485104958528130
1985-01-01	0.516222695420270
1986-01-01	0.554657912689188
1987-01-01	0.577382946665640
1988-01-01	0.577279327579018
1989-01-01	0.601423931736884
1990-01-01	0.642890403059780
1991-01-01	0.699732553753062
1992-01-01	0.722698355094676
1993-01-01	0.746926253076258
1994-01-01	0.745087643589602
1995-01-01	0.743270866853224
1996-01-01	0.767625555423083
1997-01-01	0.780874139402516
1998-01-01	0.808772079003166
1999-01-01	0.823859783064374
2000-01-01	0.844268995840014
2001-01-01	0.860751114920634
2002-01-01	0.872815317334378
2003-01-01	0.860732825963705
2004-01-01	0.860382273223752
2005-01-01	0.879260444095662
2006-01-01	0.905047175136676
2007-01-01	0.908684300750429
2008-01-01	0.949143530566667
2009-01-01	1.015358692717860
2010-01-01	1.000000000000000