Year	Index 2010=1, Trend
1976-01-01	0.348518769488726
1977-01-01	0.372436181938725
1978-01-01	0.411194069681480
1979-01-01	0.430193518719271
1980-01-01	0.458094143746383
1981-01-01	0.500163115735638
1982-01-01	0.519707598150105
1983-01-01	0.517541279143656
1984-01-01	0.562563555559108
1985-01-01	0.548307711736884
1986-01-01	0.571877421409270
1987-01-01	0.579645951795318
1988-01-01	0.594479639360552
1989-01-01	0.632851023084044
1990-01-01	0.654709150803638
1991-01-01	0.669921646689215
1992-01-01	0.702383422985206
1993-01-01	0.713172099288001
1994-01-01	0.715738121728586
1995-01-01	0.722004817710141
1996-01-01	0.732163073009784
1997-01-01	0.748713560335278
1998-01-01	0.756605779904826
1999-01-01	0.762492571674709
2000-01-01	0.767466355427502
2001-01-01	0.775652488272369
2002-01-01	0.778268780921631
2003-01-01	0.761398932734857
2004-01-01	0.753835042670017
2005-01-01	0.762757601662750
2006-01-01	0.788095916878331
2007-01-01	0.815961573867116
2008-01-01	0.867762319267306
2009-01-01	0.930897807030049
2010-01-01	1.000000000000000