Year	Index 2010=1
1978-01-01	0.287994594074837
1979-01-01	0.287258009554794
1980-01-01	0.305869127001304
1981-01-01	0.340744638198154
1982-01-01	0.377527303921231
1983-01-01	0.394622074503020
1984-01-01	0.403357370040282
1985-01-01	0.424290573394734
1986-01-01	0.460706573914894
1987-01-01	0.502119557426764
1988-01-01	0.529386855554293
1989-01-01	0.524354666327812
1990-01-01	0.531113707970147
1991-01-01	0.535046760724943
1992-01-01	0.535687020777346
1993-01-01	0.532861441305739
1994-01-01	0.530062876921792
1995-01-01	0.536769775661914
1996-01-01	0.544745273714922
1997-01-01	0.557718069069453
1998-01-01	0.598371254389960
1999-01-01	0.624315109854287
2000-01-01	0.639885214437569
2001-01-01	0.663984111949296
2002-01-01	0.687037954076481
2003-01-01	0.698452629766632
2004-01-01	0.709595893098279
2005-01-01	0.733265923530148
2006-01-01	0.787197054840811
2007-01-01	0.851858815144001
2008-01-01	0.921667673018457
2009-01-01	0.963955078455224
2010-01-01	1.000000000000000