Year	Index 2010=1
1980-01-01	0.203003509385111
1981-01-01	0.214684171548732
1982-01-01	0.257145676945219
1983-01-01	0.276121481793474
1984-01-01	0.282607384069274
1985-01-01	0.279520020425161
1986-01-01	0.286073851029779
1987-01-01	0.320123807409462
1988-01-01	0.348184565238303
1989-01-01	0.376199719056379
1990-01-01	0.424735962097732
1991-01-01	0.483240353804786
1992-01-01	0.546876939578006
1993-01-01	0.591132006292754
1994-01-01	0.590600902933701
1995-01-01	0.605323940751550
1996-01-01	0.642091802216825
1997-01-01	0.688192613466702
1998-01-01	0.701394038318978
1999-01-01	0.723028357969070
2000-01-01	0.766903518556172
2001-01-01	0.808446883099311
2002-01-01	0.839314638013607
2003-01-01	0.884152862154014
2004-01-01	0.923960415706206
2005-01-01	0.994346381909332
2006-01-01	1.071385611664020
2007-01-01	1.138971258299240
2008-01-01	1.161114975303750
2009-01-01	1.051983747048640
2010-01-01	1.000000000000000