Year	Index 2010=1
1980-01-01	0.482242071961159
1981-01-01	0.507367844629469
1982-01-01	0.533830432601646
1983-01-01	0.557010579030088
1984-01-01	0.582255030971290
1985-01-01	0.602599117623529
1986-01-01	0.618740789890956
1987-01-01	0.626182833120925
1988-01-01	0.621468304227491
1989-01-01	0.645055403700163
1990-01-01	0.671570682933913
1991-01-01	0.709981901745597
1992-01-01	0.736167149143896
1993-01-01	0.773696031025006
1994-01-01	0.783419571965668
1995-01-01	0.779398787609918
1996-01-01	0.786068037073975
1997-01-01	0.788975976800952
1998-01-01	0.798175633499210
1999-01-01	0.811002544906978
2000-01-01	0.815463248351317
2001-01-01	0.845742324233111
2002-01-01	0.866927486476092
2003-01-01	0.874165844461061
2004-01-01	0.874490566281064
2005-01-01	0.886841162197745
2006-01-01	0.903872191326961
2007-01-01	0.923325614831242
2008-01-01	0.961083624767088
2009-01-01	1.003313234172650
2010-01-01	1.000000000000000