Year	Index 2010=1, Trend
1970-01-01	0.228611704049838
1971-01-01	0.251939146512268
1972-01-01	0.265414879995805
1973-01-01	0.281820174442475
1974-01-01	0.314043698116882
1975-01-01	0.346053364683275
1976-01-01	0.369005171328236
1977-01-01	0.399645519434496
1978-01-01	0.393073093680855
1979-01-01	0.409366406259848
1980-01-01	0.421242347213163
1981-01-01	0.446495999972102
1982-01-01	0.473566025092203
1983-01-01	0.463179169602080
1984-01-01	0.462340383261678
1985-01-01	0.493932127908854
1986-01-01	0.516751908117766
1987-01-01	0.555270901372357
1988-01-01	0.567803070395820
1989-01-01	0.530174465403602
1990-01-01	0.532658441381854
1991-01-01	0.522008251162472
1992-01-01	0.509553731555271
1993-01-01	0.515083828755708
1994-01-01	0.508377621195702
1995-01-01	0.497714083162930
1996-01-01	0.492041174577851
1997-01-01	0.512420310788603
1998-01-01	0.563507759910918
1999-01-01	0.582847943316262
2000-01-01	0.571780967463006
2001-01-01	0.587186134875413
2002-01-01	0.602371825476372
2003-01-01	0.599957347594325
2004-01-01	0.608895215370210
2005-01-01	0.649644043779627
2006-01-01	0.745971808709248
2007-01-01	0.835073593121604
2008-01-01	0.910916956406423
2009-01-01	0.958887817227267
2010-01-01	1.000000000000000