Year Percent of Working-Age Population 1960-01-01 5.86597717662968 1961-01-01 5.97771232664790 1962-01-01 6.08426012360426 1963-01-01 6.17646156549191 1964-01-01 6.24236875332977 1965-01-01 6.27822834921741 1966-01-01 6.32248626559908 1967-01-01 6.33723668807655 1968-01-01 6.33536898822861 1969-01-01 6.33211874212580 1970-01-01 6.33570939361735 1971-01-01 6.37176281555728 1972-01-01 6.40391800711389 1973-01-01 6.43174968800423 1974-01-01 6.45363675046446 1975-01-01 6.46959448541932 1976-01-01 6.49831361005554 1977-01-01 6.51576939339622 1978-01-01 6.52223425476654 1979-01-01 6.51710459497002 1980-01-01 6.50208650201978 1981-01-01 6.50937501331011 1982-01-01 6.50269432447082 1983-01-01 6.48930527624517 1984-01-01 6.47684428458000 1985-01-01 6.47015974035359 1986-01-01 6.51389675287600 1987-01-01 6.55207644980098 1988-01-01 6.58955557184379 1989-01-01 6.63196947663064 1990-01-01 6.68211103837810 1991-01-01 6.80076104717204 1992-01-01 6.92005173828982 1993-01-01 7.03115104039789 1994-01-01 7.12194211313307 1995-01-01 7.18862233230872 1996-01-01 7.32760599940285 1997-01-01 7.44403150536473 1998-01-01 7.55269010791836 1999-01-01 7.67289376930277 2000-01-01 7.81498509349342 2001-01-01 8.01121526127198 2002-01-01 8.22537760822091 2003-01-01 8.44733787994837 2004-01-01 8.66185477690200 2005-01-01 8.86265295152730 2006-01-01 9.05539969689524 2007-01-01 9.23792246916889 2008-01-01 9.42219546189393 2009-01-01 9.62336954500091 2010-01-01 9.85079281175211 2011-01-01 10.12626197160360 2012-01-01 10.41979793777860 2013-01-01 10.73509912154870 2014-01-01 11.07676184864450 2015-01-01 11.44901971912000 2016-01-01 11.84682349522620 2017-01-01 12.27018764080600