Year	Index 2010=1, Trend
1970-01-01	0.420967685060220
1971-01-01	0.433230490826791
1972-01-01	0.451704718962246
1973-01-01	0.476604998503167
1974-01-01	0.550915228662786
1975-01-01	0.597331564308569
1976-01-01	0.686238727368192
1977-01-01	0.716901406950172
1978-01-01	0.722619802112279
1979-01-01	0.725081336590331
1980-01-01	0.750078358224054
1981-01-01	0.768676010586192
1982-01-01	0.775473530527642
1983-01-01	0.780582198660895
1984-01-01	0.788797173031307
1985-01-01	0.813987232739420
1986-01-01	0.833310014833858
1987-01-01	0.846125092801869
1988-01-01	0.843398394175065
1989-01-01	0.845047275701159
1990-01-01	0.884521539775643
1991-01-01	0.936507227249791
1992-01-01	0.967433220064652
1993-01-01	1.002991816319710
1994-01-01	1.000124164965710
1995-01-01	0.975773874644911
1996-01-01	0.965204239469989
1997-01-01	0.932271292568654
1998-01-01	0.922980621367221
1999-01-01	0.931611902632540
2000-01-01	0.919117670821228
2001-01-01	0.933791125325640
2002-01-01	0.952664667551467
2003-01-01	0.960053237416721
2004-01-01	0.941085396973722
2005-01-01	0.936587571640854
2006-01-01	0.954424000726428
2007-01-01	0.959684205424254
2008-01-01	0.988994324376826
2009-01-01	1.026371047066330
2010-01-01	1.000000000000000