Year	Index 2010=1
1981-01-01	0.174705824615126
1982-01-01	0.204213625367247
1983-01-01	0.259021464835252
1984-01-01	0.292126848028840
1985-01-01	0.311077765881309
1986-01-01	0.337187346658603
1987-01-01	0.369692606194175
1988-01-01	0.407889655236038
1989-01-01	0.446308732412750
1990-01-01	0.480777700498966
1991-01-01	0.519231269367668
1992-01-01	0.574280434538202
1993-01-01	0.582553006645963
1994-01-01	0.615164780345575
1995-01-01	0.639795085579743
1996-01-01	0.674639690479030
1997-01-01	0.695289107836297
1998-01-01	0.704579176961453
1999-01-01	0.730895299915237
2000-01-01	0.751054176148710
2001-01-01	0.768372868462770
2002-01-01	0.796911588683734
2003-01-01	0.822370435132695
2004-01-01	0.861476041219062
2005-01-01	0.896696884037181
2006-01-01	0.924042704119304
2007-01-01	0.960731099108656
2008-01-01	0.982696085938501
2009-01-01	0.982146657507004
2010-01-01	1.000000000000000