Year	Index 2010=1, Trend
1970-01-01	0.165969245781231
1971-01-01	0.183826781769650
1972-01-01	0.194032463563721
1973-01-01	0.209481082571215
1974-01-01	0.227055248541617
1975-01-01	0.251912743659397
1976-01-01	0.270812990668396
1977-01-01	0.294512306077081
1978-01-01	0.309815334680042
1979-01-01	0.304401386513918
1980-01-01	0.324040868988601
1981-01-01	0.361857682451390
1982-01-01	0.400669945912212
1983-01-01	0.414619606310949
1984-01-01	0.420801171131523
1985-01-01	0.440941818987650
1986-01-01	0.472028782088631
1987-01-01	0.524872900763224
1988-01-01	0.552878836405904
1989-01-01	0.539005066328671
1990-01-01	0.539879491598108
1991-01-01	0.539092741728135
1992-01-01	0.535440448407885
1993-01-01	0.530831595071796
1994-01-01	0.524089625185389
1995-01-01	0.525235228160284
1996-01-01	0.527084630875520
1997-01-01	0.544953466811501
1998-01-01	0.588327284405348
1999-01-01	0.620065478668234
2000-01-01	0.633245764145544
2001-01-01	0.650245847228600
2002-01-01	0.668720655131655
2003-01-01	0.671246861194075
2004-01-01	0.681221999206038
2005-01-01	0.710780565971002
2006-01-01	0.772587064367781
2007-01-01	0.851069462806639
2008-01-01	0.929243722342227
2009-01-01	0.967287368908999
2010-01-01	1.000000000000000