Year Percent of Working-Age Population 1960-01-01 6.13165727234216 1961-01-01 6.11331192770354 1962-01-01 6.06089415435620 1963-01-01 5.97465839946771 1964-01-01 5.85405917177763 1965-01-01 5.70127156905247 1966-01-01 5.73298863801981 1967-01-01 5.72526900491413 1968-01-01 5.68332140060360 1969-01-01 5.61337615813727 1970-01-01 5.52146691621393 1971-01-01 5.60066672396852 1972-01-01 5.64091173196697 1973-01-01 5.64542484339515 1974-01-01 5.61762682603361 1975-01-01 5.55926531205992 1976-01-01 5.68397665396526 1977-01-01 5.77522019636726 1978-01-01 5.83102747739428 1979-01-01 5.84921477900271 1980-01-01 5.82844593982009 1981-01-01 5.94645424717404 1982-01-01 6.03774975488572 1983-01-01 6.10464413186418 1984-01-01 6.14905022309415 1985-01-01 6.17229844421292 1986-01-01 6.28060175367149 1987-01-01 6.37085183704048 1988-01-01 6.44598368973159 1989-01-01 6.50746401628798 1990-01-01 6.55733022468052 1991-01-01 6.59255568182226 1992-01-01 6.62526968236123 1993-01-01 6.65913391733520 1994-01-01 6.69627995450595 1995-01-01 6.73868940165167 1996-01-01 6.74373582218366 1997-01-01 6.71900277378297 1998-01-01 6.66974681121528 1999-01-01 6.60153941172955 2000-01-01 6.51804202185844 2001-01-01 6.48409880819617 2002-01-01 6.42097632059658 2003-01-01 6.33262230880903 2004-01-01 6.22214645934525 2005-01-01 6.09290514514557 2006-01-01 6.08439881770756 2007-01-01 6.05836987932569 2008-01-01 6.01257419171259 2009-01-01 5.94215999200925 2010-01-01 5.84753631797845 2011-01-01 5.82002087995550 2012-01-01 5.76609870298860 2013-01-01 5.70360256572990 2014-01-01 5.65368695087866 2015-01-01 5.62660232219526 2016-01-01 5.67921343011795 2017-01-01 5.74088026187477