Year	Index 2010=1
1978-01-01	0.162619766696593
1979-01-01	0.183835179680137
1980-01-01	0.201617898803927
1981-01-01	0.220131102836849
1982-01-01	0.238153791052043
1983-01-01	0.250448883861032
1984-01-01	0.263457192848993
1985-01-01	0.268410865613098
1986-01-01	0.292345308963217
1987-01-01	0.341275479958972
1988-01-01	0.364608422503629
1989-01-01	0.349461406291524
1990-01-01	0.342048805235190
1991-01-01	0.337744496094311
1992-01-01	0.329261635391535
1993-01-01	0.328641371064169
1994-01-01	0.297059140513307
1995-01-01	0.306472192797248
1996-01-01	0.331694314398583
1997-01-01	0.357159449333164
1998-01-01	0.391824249850827
1999-01-01	0.460016176701538
2000-01-01	0.476102040453845
2001-01-01	0.521588267241752
2002-01-01	0.555960678499546
2003-01-01	0.587533184003947
2004-01-01	0.606642130044213
2005-01-01	0.662783454461317
2006-01-01	0.752095205592264
2007-01-01	0.833055738939766
2008-01-01	0.906846397397896
2009-01-01	0.961350671818282
2010-01-01	1.000000000000000