Year	Index 2010=1
1980-01-01	0.293907322879471
1981-01-01	0.329892649032471
1982-01-01	0.376111125687738
1983-01-01	0.414603221740794
1984-01-01	0.442775937034931
1985-01-01	0.467586841029456
1986-01-01	0.486572457213393
1987-01-01	0.510397767851371
1988-01-01	0.537092400751114
1989-01-01	0.559795051578586
1990-01-01	0.623085084921039
1991-01-01	0.653289877007518
1992-01-01	0.668026175665017
1993-01-01	0.676792726318261
1994-01-01	0.682658650455218
1995-01-01	0.698884087562475
1996-01-01	0.704851527408790
1997-01-01	0.721740710542716
1998-01-01	0.748380386803688
1999-01-01	0.774849559386603
2000-01-01	0.798159369549675
2001-01-01	0.841882775341700
2002-01-01	0.865741323404764
2003-01-01	0.866946472978804
2004-01-01	0.877476630389096
2005-01-01	0.896385045685162
2006-01-01	0.926629487481534
2007-01-01	0.948468256338624
2008-01-01	0.976760401752791
2009-01-01	0.970354768546655
2010-01-01	1.000000000000000