Year	Index 2010=1, Trend
1970-01-01	0.189924930680594
1971-01-01	0.199647122501917
1972-01-01	0.208315557513842
1973-01-01	0.221782211640765
1974-01-01	0.256654281510479
1975-01-01	0.296947708703396
1976-01-01	0.321053466342754
1977-01-01	0.341354377047020
1978-01-01	0.359610729399870
1979-01-01	0.387604464742839
1980-01-01	0.434071772810417
1981-01-01	0.500757254091198
1982-01-01	0.552969285807170
1983-01-01	0.553782145104100
1984-01-01	0.560160499382746
1985-01-01	0.578270917497443
1986-01-01	0.599283383268526
1987-01-01	0.626588848878127
1988-01-01	0.659665581056588
1989-01-01	0.697852951962597
1990-01-01	0.728799021549502
1991-01-01	0.760467212502625
1992-01-01	0.763933377712158
1993-01-01	0.755435460087445
1994-01-01	0.741356484720155
1995-01-01	0.749690047284627
1996-01-01	0.765752552795496
1997-01-01	0.783197960781842
1998-01-01	0.795729652517434
1999-01-01	0.793468725405353
2000-01-01	0.805293640211468
2001-01-01	0.828171108548655
2002-01-01	0.827590096236975
2003-01-01	0.847653042470000
2004-01-01	0.874903927784329
2005-01-01	0.894638070906969
2006-01-01	0.934816799280616
2007-01-01	0.966313610944061
2008-01-01	0.992203387602414
2009-01-01	0.995698560516182
2010-01-01	1.000000000000000