Year	Index 2010=1
1980-01-01	0.486448527158198
1981-01-01	0.537105536072031
1982-01-01	0.584890696816056
1983-01-01	0.604591646624420
1984-01-01	0.633295887828084
1985-01-01	0.650017773525989
1986-01-01	0.634213463429657
1987-01-01	0.623986639038246
1988-01-01	0.616817454316250
1989-01-01	0.646645884833745
1990-01-01	0.657017092878619
1991-01-01	0.697213891871313
1992-01-01	0.740086921297557
1993-01-01	0.772249388646525
1994-01-01	0.784318632635899
1995-01-01	0.816675860879352
1996-01-01	0.830126650200236
1997-01-01	0.822214518583264
1998-01-01	0.843938364332282
1999-01-01	0.881453362244102
2000-01-01	0.863829812562579
2001-01-01	0.876693937285231
2002-01-01	0.896417709172102
2003-01-01	0.893635080742136
2004-01-01	0.887000755225636
2005-01-01	0.868097523558784
2006-01-01	0.855400199868904
2007-01-01	0.893838445956349
2008-01-01	0.957117859629396
2009-01-01	0.999055006549705
2010-01-01	1.000000000000000