Year	Index 2010=1, Trend
1966-01-01	0.0879966244589416
1967-01-01	0.0903774935541264
1968-01-01	0.0979182212799027
1969-01-01	0.1082698228285080
1970-01-01	0.1163156606308690
1971-01-01	0.1169108401182520
1972-01-01	0.1150077927624050
1973-01-01	0.1441340862334060
1974-01-01	0.1628081036073110
1975-01-01	0.1876311917288600
1976-01-01	0.2133746202098070
1977-01-01	0.2266262105013040
1978-01-01	0.2484863782654170
1979-01-01	0.3008889576798820
1980-01-01	0.2797314537254930
1981-01-01	0.3147360155028060
1982-01-01	0.3376174492780140
1983-01-01	0.3601040352876330
1984-01-01	0.3596235160736570
1985-01-01	0.3803705246912070
1986-01-01	0.4018659742779980
1987-01-01	0.3981356668940920
1988-01-01	0.3972961270807800
1989-01-01	0.4059982796350900
1990-01-01	0.4446282341881200
1991-01-01	0.4630404712739730
1992-01-01	0.4638549282027730
1993-01-01	0.5200604076655330
1994-01-01	0.5294936314988980
1995-01-01	0.5424931646332380
1996-01-01	0.5408382677336640
1997-01-01	0.5808960829174600
1998-01-01	0.5722737598847560
1999-01-01	0.5762251679156700
2000-01-01	0.6181839065100380
2001-01-01	0.6602935497821310
2002-01-01	0.6767983382504740
2003-01-01	0.6782606274142870
2004-01-01	0.7004786575626130
2005-01-01	0.7489502997022220
2006-01-01	0.7919780564021580
2007-01-01	0.8543474029688710
2008-01-01	0.9304231132594280
2009-01-01	0.9566503291231470
2010-01-01	1.0000000000000000