Year Percent of Working-Age Population 1960-01-01 13.7699258479577 1961-01-01 13.5620116605309 1962-01-01 13.3149026063549 1963-01-01 13.0518459307967 1964-01-01 12.8013842760439 1965-01-01 12.5816568467975 1966-01-01 12.5841196655847 1967-01-01 12.5977929933261 1968-01-01 12.6114828502122 1969-01-01 12.6096160145703 1970-01-01 12.5858565207936 1971-01-01 12.7629350846232 1972-01-01 12.8929642218868 1973-01-01 12.9956348822877 1974-01-01 13.1030782549323 1975-01-01 13.2348678604988 1976-01-01 13.4703935742508 1977-01-01 13.7291924031717 1978-01-01 13.9683101147062 1979-01-01 14.1249047393624 1980-01-01 14.1743936320861 1981-01-01 14.0997586816831 1982-01-01 13.9317771025391 1983-01-01 13.7208842733932 1984-01-01 13.5310754684110 1985-01-01 13.4026181750419 1986-01-01 13.4134825035882 1987-01-01 13.4460368502725 1988-01-01 13.5424323484613 1989-01-01 13.7635686146707 1990-01-01 14.1421500319662 1991-01-01 14.8297673572488 1992-01-01 15.6469164362550 1993-01-01 16.4976326419565 1994-01-01 17.2277266973991 1995-01-01 17.7393169120160 1996-01-01 18.2399375917086 1997-01-01 18.5069677971764 1998-01-01 18.6428209863639 1999-01-01 18.8092809056816 2000-01-01 19.0962935356740 2001-01-01 19.6717119421489 2002-01-01 20.3549617663480 2003-01-01 21.0281437106618 2004-01-01 21.5038456703843 2005-01-01 21.6764495914968 2006-01-01 21.8209816375756 2007-01-01 21.7296824599231 2008-01-01 21.5007643851527 2009-01-01 21.2784109422741 2010-01-01 21.1498765394923 2011-01-01 21.1409493328773 2012-01-01 21.2151070250131 2013-01-01 21.3777426135424 2014-01-01 21.6177757135450 2015-01-01 21.9218809644672 2016-01-01 22.2102809857182 2017-01-01 22.5369112514664