Year	Index 2010=1
1974-01-01	0.120466975570422
1975-01-01	0.115342859011547
1976-01-01	0.151111202049971
1977-01-01	0.159878937822856
1978-01-01	0.181363879830528
1979-01-01	0.206429645506145
1980-01-01	0.215720431239192
1981-01-01	0.241270092005073
1982-01-01	0.271935215153732
1983-01-01	0.313093948974092
1984-01-01	0.384447736426855
1985-01-01	0.372188090591143
1986-01-01	0.379601673217055
1987-01-01	0.400727103354609
1988-01-01	0.430447040784151
1989-01-01	0.472173045652116
1990-01-01	0.476043854279804
1991-01-01	0.479914662907493
1992-01-01	0.472501080281581
1993-01-01	0.494938648936996
1994-01-01	0.556281124646976
1995-01-01	0.574257422341666
1996-01-01	0.577209734006852
1997-01-01	0.655347582745447
1998-01-01	0.668206540220481
1999-01-01	0.671421279589239
2000-01-01	0.780076997112608
2001-01-01	0.856913699069618
2002-01-01	0.845524542829644
2003-01-01	0.845283926852743
2004-01-01	0.836782162335579
2005-01-01	0.962463907603465
2006-01-01	1.132178376644210
2007-01-01	1.210779595765160
2008-01-01	1.196823869104910
2009-01-01	0.961180622393327
2010-01-01	1.000000000000000
2011-01-01	1.151748476098810
2012-01-01	1.137151106833490