Year	Index 2010=1, Trend
1978-01-01	0.297767841976341
1979-01-01	0.345235552153206
1980-01-01	0.411879735199919
1981-01-01	0.471503171113520
1982-01-01	0.524134412737078
1983-01-01	0.522297224038984
1984-01-01	0.529757620442722
1985-01-01	0.643889496671728
1986-01-01	0.748400888829667
1987-01-01	0.851453854110767
1988-01-01	0.880481908678448
1989-01-01	0.873474841704014
1990-01-01	0.893302711473529
1991-01-01	0.891595399608376
1992-01-01	0.875869582289393
1993-01-01	0.856514350457215
1994-01-01	0.842780481838626
1995-01-01	0.835766864485131
1996-01-01	0.858564122541963
1997-01-01	0.869471538446472
1998-01-01	0.864771463032764
1999-01-01	0.806999799924748
2000-01-01	0.767400505534808
2001-01-01	0.784132160610596
2002-01-01	0.799256365851966
2003-01-01	0.832528142783044
2004-01-01	0.845040683687808
2005-01-01	0.865496812494407
2006-01-01	0.902530375161051
2007-01-01	0.898717188901647
2008-01-01	0.944296529248383
2009-01-01	0.988111987166229
2010-01-01	1.000000000000000