Year	Index 2010=1, Trend
1970-01-01	0.374346892075518
1971-01-01	0.427845676588667
1972-01-01	0.445195579186915
1973-01-01	0.477532031264054
1974-01-01	0.617410757757076
1975-01-01	0.685862503513076
1976-01-01	0.763682702661968
1977-01-01	0.829684416412651
1978-01-01	0.880026065523380
1979-01-01	0.925291423981264
1980-01-01	1.141489797392160
1981-01-01	1.238260178472370
1982-01-01	1.307253112143230
1983-01-01	1.336105321604510
1984-01-01	1.300008519570410
1985-01-01	1.304595290890530
1986-01-01	1.324248903067540
1987-01-01	1.356087315370040
1988-01-01	1.348254857794610
1989-01-01	1.367159557642970
1990-01-01	1.408667420874820
1991-01-01	1.420195059435970
1992-01-01	1.391138249470620
1993-01-01	1.363231452655140
1994-01-01	1.358110223490920
1995-01-01	1.354185644867390
1996-01-01	1.295574393640550
1997-01-01	1.277183693921300
1998-01-01	1.264049994644240
1999-01-01	1.210216494121480
2000-01-01	1.155896143948970
2001-01-01	1.091607812666020
2002-01-01	1.034419057963120
2003-01-01	0.969731438931279
2004-01-01	0.955315532924707
2005-01-01	0.932144190996094
2006-01-01	0.921354258509722
2007-01-01	0.920454343304193
2008-01-01	0.939697931348069
2009-01-01	0.948033035188929
2010-01-01	1.000000000000000