Year	Index 2010=1
1978-01-01	0.132358270093693
1979-01-01	0.138439519662973
1980-01-01	0.151424748359511
1981-01-01	0.179099084492845
1982-01-01	0.209805805296341
1983-01-01	0.239969196906159
1984-01-01	0.257631288129218
1985-01-01	0.289568330905273
1986-01-01	0.324947087789663
1987-01-01	0.363392220830931
1988-01-01	0.383217033775934
1989-01-01	0.384763740434733
1990-01-01	0.405869416963091
1991-01-01	0.419158447997819
1992-01-01	0.419375303619061
1993-01-01	0.430797638696299
1994-01-01	0.441687232327944
1995-01-01	0.464458042391061
1996-01-01	0.508070132147706
1997-01-01	0.549672201727650
1998-01-01	0.591263152726180
1999-01-01	0.623008050915854
2000-01-01	0.657025728171116
2001-01-01	0.670147774234749
2002-01-01	0.690872711047798
2003-01-01	0.683904070579960
2004-01-01	0.705335503083378
2005-01-01	0.722084541231152
2006-01-01	0.806229143217554
2007-01-01	0.849987390662911
2008-01-01	0.952961079207574
2009-01-01	0.977179155254604
2010-01-01	1.000000000000000