Year	Index 2010=1, Trend
1970-01-01	0.125632494846716
1971-01-01	0.136144957363422
1972-01-01	0.149798942859131
1973-01-01	0.158400377180388
1974-01-01	0.190120092549630
1975-01-01	0.258552878530753
1976-01-01	0.283580255917414
1977-01-01	0.302000410035330
1978-01-01	0.336723642123653
1979-01-01	0.377559990797310
1980-01-01	0.457268836411763
1981-01-01	0.496381195046295
1982-01-01	0.507882809274771
1983-01-01	0.504117679333676
1984-01-01	0.519472914026684
1985-01-01	0.546553457097005
1986-01-01	0.570586953836676
1987-01-01	0.596402293981366
1988-01-01	0.621878314150568
1989-01-01	0.648889059951743
1990-01-01	0.707061840843352
1991-01-01	0.754375271776417
1992-01-01	0.721767709426870
1993-01-01	0.709372503606737
1994-01-01	0.701474909491473
1995-01-01	0.710857712850658
1996-01-01	0.714510825165624
1997-01-01	0.723483728936385
1998-01-01	0.770427317944191
1999-01-01	0.767541444976092
2000-01-01	0.764537442887654
2001-01-01	0.773217598659911
2002-01-01	0.787126390218085
2003-01-01	0.797393098304483
2004-01-01	0.800889689471110
2005-01-01	0.809467136505652
2006-01-01	0.843142369717440
2007-01-01	0.860315282611115
2008-01-01	0.888857933581498
2009-01-01	0.966516434627455
2010-01-01	1.000000000000000