Year	Index 2010=1, Trend
1970-01-01	0.272505211308537
1971-01-01	0.302781140840392
1972-01-01	0.314888692521585
1973-01-01	0.343083786700555
1974-01-01	0.355673886481714
1975-01-01	0.394292003822232
1976-01-01	0.420449444365412
1977-01-01	0.456128500356470
1978-01-01	0.486005387305554
1979-01-01	0.469910712584883
1980-01-01	0.498206302792895
1981-01-01	0.551021325422243
1982-01-01	0.619203371352747
1983-01-01	0.656555767104470
1984-01-01	0.664220021284197
1985-01-01	0.670696997172521
1986-01-01	0.729259730894824
1987-01-01	0.798633709356729
1988-01-01	0.854809752525262
1989-01-01	0.868449612425536
1990-01-01	0.861668588582225
1991-01-01	0.878857024124987
1992-01-01	0.891415271275950
1993-01-01	0.870281211626126
1994-01-01	0.854590633713649
1995-01-01	0.846503468981312
1996-01-01	0.822783218795971
1997-01-01	0.813131234604986
1998-01-01	0.835827304567776
1999-01-01	0.862251894783105
2000-01-01	0.878196020768447
2001-01-01	0.896508425144379
2002-01-01	0.914852502517688
2003-01-01	0.912102323896485
2004-01-01	0.900244479612171
2005-01-01	0.897952747797321
2006-01-01	0.857885477639180
2007-01-01	0.898188111579519
2008-01-01	0.952778255639686
2009-01-01	0.989279619985977
2010-01-01	1.000000000000000