Year Percent of Working-Age Population 1960-01-01 19.2478968390796 1961-01-01 19.2826663732287 1962-01-01 19.3081602424490 1963-01-01 19.3065763706979 1964-01-01 19.2626885195352 1965-01-01 19.1742080092054 1966-01-01 19.2003519922246 1967-01-01 19.1935143241557 1968-01-01 19.1494953494840 1969-01-01 19.0665413503033 1970-01-01 18.9488273156428 1971-01-01 18.7953336228506 1972-01-01 18.6095502451036 1973-01-01 18.4188082862691 1974-01-01 18.2547567791314 1975-01-01 18.1294552891990 1976-01-01 18.1440557045225 1977-01-01 18.1629502429568 1978-01-01 18.1625334405620 1979-01-01 18.1105549626629 1980-01-01 17.9907759738114 1981-01-01 18.0637254901961 1982-01-01 18.0758021738909 1983-01-01 18.0443678635274 1984-01-01 17.9907718040530 1985-01-01 17.9231548056318 1986-01-01 18.0222112878622 1987-01-01 18.1007524283515 1988-01-01 18.1404827037273 1989-01-01 18.1172880363322 1990-01-01 18.0228436392280 1991-01-01 17.8129837899499 1992-01-01 17.5504016394615 1993-01-01 17.2598927365471 1994-01-01 16.9741276534475 1995-01-01 16.7130321031550 1996-01-01 16.4080657201868 1997-01-01 16.1303285935252 1998-01-01 15.8899611998899 1999-01-01 15.6979640023895 2000-01-01 15.5600513071861 2001-01-01 15.4408049888207 2002-01-01 15.3695576534048 2003-01-01 15.3422975129857 2004-01-01 15.3494250399344 2005-01-01 15.3862240357165 2006-01-01 15.5255385505091 2007-01-01 15.6769306406051 2008-01-01 15.8612937238429 2009-01-01 16.1066844927542 2010-01-01 16.4292425461105 2011-01-01 17.1006023825390 2012-01-01 17.8455989596805 2013-01-01 18.6494704189870 2014-01-01 19.4874092214899 2015-01-01 20.3427238306898 2016-01-01 20.9809274044315 2017-01-01 21.6149982686568