Year Index 2010=1 1955-01-01 0.207884816293235 1956-01-01 0.216413424141163 1957-01-01 0.228140259932063 1958-01-01 0.230627770554375 1959-01-01 0.248751062231222 1960-01-01 0.268651147209719 1961-01-01 0.290328025489868 1962-01-01 0.309162034487375 1963-01-01 0.328351402145212 1964-01-01 0.358201529612959 1965-01-01 0.383787353156742 1966-01-01 0.394803471626982 1967-01-01 0.408662459379864 1968-01-01 0.430916795483050 1969-01-01 0.464720288046971 1970-01-01 0.490617050418543 1971-01-01 0.492038485059864 1972-01-01 0.503365542357893 1973-01-01 0.539612125711586 1974-01-01 0.563998613776754 1975-01-01 0.554181830785129 1976-01-01 0.541166819850531 1977-01-01 0.511627631210573 1978-01-01 0.505097915827004 1979-01-01 0.539123507553631 1980-01-01 0.536724836596402 1981-01-01 0.527130152767483 1982-01-01 0.518290606091767 1983-01-01 0.538812568725842 1984-01-01 0.577324563539140 1985-01-01 0.594781557727867 1986-01-01 0.597446747680345 1987-01-01 0.612593910576924 1988-01-01 0.620411801104191 1989-01-01 0.643243595030414 1990-01-01 0.650306348404479 1991-01-01 0.637632202295754 1992-01-01 0.638204583087761 1993-01-01 0.642538323370099 1994-01-01 0.730276121916309 1995-01-01 0.805830386461228 1996-01-01 0.813271336757318 1997-01-01 0.855300440627543 1998-01-01 0.894631177906879 1999-01-01 0.922923142768937 2000-01-01 0.980666666666667 2001-01-01 0.971166666666667 2002-01-01 0.981166666666667 2003-01-01 1.005666666666670 2004-01-01 1.055333333333330 2005-01-01 1.079166666666670 2006-01-01 1.129750000000000 2007-01-01 1.168750000000000 2008-01-01 1.131500000000000 2009-01-01 0.912333333333333 2010-01-01 1.000000000000000 2011-01-01 1.068750000000000 2012-01-01 1.023083333333330 2013-01-01 0.988333333333333