Year	Index 2010=1, Trend
1970-01-01	0.273809490018093
1971-01-01	0.285796923939563
1972-01-01	0.294828487336447
1973-01-01	0.311157068458127
1974-01-01	0.352586459717069
1975-01-01	0.400084573221030
1976-01-01	0.432591674666558
1977-01-01	0.468710825555471
1978-01-01	0.488296321891806
1979-01-01	0.521894292259267
1980-01-01	0.577202250201101
1981-01-01	0.654631596554379
1982-01-01	0.729624749594704
1983-01-01	0.742207021266173
1984-01-01	0.758987548776824
1985-01-01	0.782164036553219
1986-01-01	0.809438820073979
1987-01-01	0.822556978607251
1988-01-01	0.843756893296608
1989-01-01	0.874466792807845
1990-01-01	0.913793874843529
1991-01-01	0.957591918972204
1992-01-01	0.952237776822327
1993-01-01	0.938711484812776
1994-01-01	0.919809129619978
1995-01-01	0.929795688624281
1996-01-01	0.928917326010234
1997-01-01	0.942289233290393
1998-01-01	0.948064860416346
1999-01-01	0.930918285930768
2000-01-01	0.934269432996873
2001-01-01	0.934596788687546
2002-01-01	0.929004544381468
2003-01-01	0.938428789960936
2004-01-01	0.956818422762970
2005-01-01	0.957775236107660
2006-01-01	0.977703338160062
2007-01-01	0.991528718377248
2008-01-01	0.997342124230657
2009-01-01	1.002075583392180
2010-01-01	1.000000000000000