Year	Index 2010=1, Trend
1969-01-01	0.266752801836358
1970-01-01	0.286708352836978
1971-01-01	0.315596288486150
1972-01-01	0.345525399964473
1973-01-01	0.377989545999047
1974-01-01	0.421155106132928
1975-01-01	0.475757938606645
1976-01-01	0.503991471530785
1977-01-01	0.538887395240261
1978-01-01	0.570709360829041
1979-01-01	0.601835498569187
1980-01-01	0.622264972315530
1981-01-01	0.639636558253006
1982-01-01	0.670440451081601
1983-01-01	0.667849656515899
1984-01-01	0.649773048051360
1985-01-01	0.657166396959336
1986-01-01	0.671235854291575
1987-01-01	0.675649863848997
1988-01-01	0.670606609596699
1989-01-01	0.664079738515967
1990-01-01	0.676865771781125
1991-01-01	0.699091176557410
1992-01-01	0.730005934274300
1993-01-01	0.746215208591080
1994-01-01	0.745767472186475
1995-01-01	0.749655959105158
1996-01-01	0.759199815242686
1997-01-01	0.767107344024572
1998-01-01	0.786013745248914
1999-01-01	0.803686265155983
2000-01-01	0.827875391940482
2001-01-01	0.866500480276824
2002-01-01	0.902378504529802
2003-01-01	0.923644463419426
2004-01-01	0.927856614652457
2005-01-01	0.924097874087932
2006-01-01	0.930903587175475
2007-01-01	0.946373109537709
2008-01-01	0.967477724319584
2009-01-01	0.993114308502274
2010-01-01	1.000000000000000