Year	Index 2010=1
1980-01-01	0.286986098428348
1981-01-01	0.319251054539494
1982-01-01	0.353824470074840
1983-01-01	0.388808379825475
1984-01-01	0.412425571531951
1985-01-01	0.433332688592352
1986-01-01	0.474622991091510
1987-01-01	0.499071606374179
1988-01-01	0.514255021798286
1989-01-01	0.548890060236658
1990-01-01	0.612136514290925
1991-01-01	0.654106640336489
1992-01-01	0.715229253351774
1993-01-01	0.764450694331909
1994-01-01	0.771609494937399
1995-01-01	0.778518941598485
1996-01-01	0.803139182282767
1997-01-01	0.817306957703470
1998-01-01	0.815104265388386
1999-01-01	0.804435814755999
2000-01-01	0.812649755318380
2001-01-01	0.824841836940304
2002-01-01	0.844988841110621
2003-01-01	0.862874963738266
2004-01-01	0.875877128293901
2005-01-01	0.897855186791552
2006-01-01	0.921244401793951
2007-01-01	0.959544233221777
2008-01-01	1.013108730248950
2009-01-01	1.040416567052620
2010-01-01	1.000000000000000