Year % of working-age population 1960 6.146735545900223 1961 6.203482452002712 1962 6.275628221433122 1963 6.355149630889006 1964 6.432010248158363 1965 6.508037644805532 1966 6.586051753842587 1967 6.662651280991431 1968 6.73417644352224 1969 6.796821607906968 1970 6.849332939849165 1971 6.911094462732317 1972 6.986778045378751 1973 7.06276834817183 1974 7.139561409727583 1975 7.219627643853509 1976 7.3001599618181645 1977 7.376962858260433 1978 7.448148481671586 1979 7.511075051374735 1980 7.554507890717642 1981 7.577962367902314 1982 7.596255105847797 1983 7.6163223177549275 1984 7.642776686768045 1985 7.679836346287151 1986 7.729974026402947 1987 7.7937018638962465 1988 7.8673166358717275 1989 7.950333192993062 1990 8.035919684154837 1991 8.123709567818452 1992 8.218516670084302 1993 8.319927930097785 1994 8.430018167770694 1995 8.54236050941318 1996 8.652878163564147 1997 8.7621250182782 1998 8.869459376453396 1999 8.976679310224256 2000 9.086547823653 2001 9.203727102627338 2002 9.328707647303448 2003 9.457029739366867 2004 9.58939243964585 2005 9.729894011397054 2006 9.877920207010579 2007 10.028474453466423 2008 10.183618415314639 2009 10.344837773921322 2010 10.499410762191856 2011 10.669179764404813 2012 10.86298745858055 2013 11.074922118801128 2014 11.312162478242033 2015 11.572374268460589 2016 11.842380571762895 2017 12.13015854205596 2018 12.443612165447702 2019 12.767724914512861 2020 13.061706056053353 2021 13.316932603554562 2022 13.603388738259904 2023 13.97193133901121