Year Percent of Working-Age Population 1960-01-01 5.40179039308858 1961-01-01 5.52659796325143 1962-01-01 5.65267983961694 1963-01-01 5.76059986996791 1964-01-01 5.82611324596682 1965-01-01 5.83997254986246 1966-01-01 5.92188190032923 1967-01-01 5.95625306136981 1968-01-01 5.95925564652809 1969-01-01 5.95154682360071 1970-01-01 5.94400132540935 1971-01-01 6.02475238514389 1972-01-01 6.09503584932323 1973-01-01 6.14958331408550 1974-01-01 6.18169522406153 1975-01-01 6.19026276746824 1976-01-01 6.26208604050872 1977-01-01 6.30857509397295 1978-01-01 6.33509767103691 1979-01-01 6.34787926896802 1980-01-01 6.35135418469003 1981-01-01 6.41027591359346 1982-01-01 6.45091593133188 1983-01-01 6.47458483903897 1984-01-01 6.48286082293185 1985-01-01 6.47858342382214 1986-01-01 6.53029994534357 1987-01-01 6.56141321364482 1988-01-01 6.57587083957456 1989-01-01 6.57834431357367 1990-01-01 6.57281956502709 1991-01-01 6.65398144260606 1992-01-01 6.72053992426269 1993-01-01 6.77373346459231 1994-01-01 6.81509698380137 1995-01-01 6.84721375924743 1996-01-01 6.94730755962335 1997-01-01 7.03151411163378 1998-01-01 7.10348326185081 1999-01-01 7.16769100216068 2000-01-01 7.22771918942048 2001-01-01 7.33351475786981 2002-01-01 7.42907525761395 2003-01-01 7.51273469687417 2004-01-01 7.58140739275748 2005-01-01 7.63572734099457 2006-01-01 7.72721549485515 2007-01-01 7.80462280462097 2008-01-01 7.87190526277876 2009-01-01 7.93221590560181 2010-01-01 7.98980885431217 2011-01-01 8.09591391997023 2012-01-01 8.19178040404191 2013-01-01 8.29257568080442 2014-01-01 8.41770886693919 2015-01-01 8.57797071700538 2016-01-01 8.80030218076315 2017-01-01 9.04291539256713