Year	Index 2010=1, Trend
1970-01-01	0.411511704603412
1971-01-01	0.446296235986274
1972-01-01	0.470353418320187
1973-01-01	0.499428615546957
1974-01-01	0.585331423767412
1975-01-01	0.623137909690409
1976-01-01	0.717373236144641
1977-01-01	0.732701990157170
1978-01-01	0.732484233161330
1979-01-01	0.724639040472752
1980-01-01	0.740165220248592
1981-01-01	0.743835199080080
1982-01-01	0.755801484983316
1983-01-01	0.765250094839238
1984-01-01	0.777149947940922
1985-01-01	0.800639941480948
1986-01-01	0.809480244167640
1987-01-01	0.814866664759242
1988-01-01	0.818382426688920
1989-01-01	0.839082262935007
1990-01-01	0.868349002030177
1991-01-01	0.888762488757913
1992-01-01	0.924658709149530
1993-01-01	0.963388156491647
1994-01-01	0.979958917978155
1995-01-01	0.978483137246734
1996-01-01	0.970254029537882
1997-01-01	0.938845316974948
1998-01-01	0.931439169078799
1999-01-01	0.942724041551516
2000-01-01	0.917486133853107
2001-01-01	0.950413479888289
2002-01-01	0.964707722810276
2003-01-01	0.965764975382944
2004-01-01	0.948831034333811
2005-01-01	0.948421901832954
2006-01-01	0.958890218222703
2007-01-01	0.956743111585542
2008-01-01	0.987228611164592
2009-01-01	1.016540396678840
2010-01-01	1.000000000000000