Year	Index 2010=1, Trend
1970-01-01	0.219456726705646
1971-01-01	0.237726851605580
1972-01-01	0.256084066114304
1973-01-01	0.266934788052716
1974-01-01	0.309418817662185
1975-01-01	0.350745144602224
1976-01-01	0.398745150346666
1977-01-01	0.428794028662410
1978-01-01	0.444944602036480
1979-01-01	0.455030015503333
1980-01-01	0.486823075546585
1981-01-01	0.511807272332318
1982-01-01	0.539460899502108
1983-01-01	0.563908385608486
1984-01-01	0.587083202397092
1985-01-01	0.609965315100350
1986-01-01	0.630134207927847
1987-01-01	0.643559631860726
1988-01-01	0.641882119584436
1989-01-01	0.662738981503145
1990-01-01	0.695410315523228
1991-01-01	0.749442246162134
1992-01-01	0.793409659128902
1993-01-01	0.815001640001020
1994-01-01	0.820947920426356
1995-01-01	0.822148157700014
1996-01-01	0.819314709931146
1997-01-01	0.815670232423134
1998-01-01	0.824777881581106
1999-01-01	0.843317082112059
2000-01-01	0.851000587667983
2001-01-01	0.882542719483541
2002-01-01	0.892270418465636
2003-01-01	0.892520401334269
2004-01-01	0.888915786200847
2005-01-01	0.894716480571892
2006-01-01	0.911366296244141
2007-01-01	0.932224524159163
2008-01-01	0.959566111988098
2009-01-01	0.995464738981541
2010-01-01	1.000000000000000