Annual Index 2010=1, Trend
1970-01-01 0.0732900405461457
1971-01-01 0.0786741175743895
1972-01-01 0.0851349316424101
1973-01-01 0.0956331108290089
1974-01-01 0.1085454992612050
1975-01-01 0.1406201093115550
1976-01-01 0.1610696645682640
1977-01-01 0.1936765346817270
1978-01-01 0.2156901355279320
1979-01-01 0.2431721711973570
1980-01-01 0.2899268083631050
1981-01-01 0.3514290796028830
1982-01-01 0.4208436770173740
1983-01-01 0.4797475656534080
1984-01-01 0.5260556305309180
1985-01-01 0.5726221955288940
1986-01-01 0.5978556014910410
1987-01-01 0.6189633944049750
1988-01-01 0.6365814143882330
1989-01-01 0.6700660160995440
1990-01-01 0.7194954927151130
1991-01-01 0.7749881572493640
1992-01-01 0.8102411512193860
1993-01-01 0.8023312852227010
1994-01-01 0.7738148591580900
1995-01-01 0.7764199928587380
1996-01-01 0.8034310322805740
1997-01-01 0.8121321479478360
1998-01-01 0.8056542843171950
1999-01-01 0.8311714797845130
2000-01-01 0.8038652035025680
2001-01-01 0.8171240652688980
2002-01-01 0.8483725703884620
2003-01-01 0.8838631291599460
2004-01-01 0.8832358270452240
2005-01-01 0.9066862639473160
2006-01-01 0.9159292287451130
2007-01-01 0.9310135150840030
2008-01-01 0.9609907203821480
2009-01-01 1.0152295709419100
2010-01-01 1.0000000000000000