Year % of working-age population 1960 7.546070688517136 1961 7.483397926451686 1962 7.46289117158735 1963 7.468875249482113 1964 7.475276500512845 1965 7.497799349766062 1966 7.545213053640455 1967 7.599607905903238 1968 7.666216463745934 1969 7.734964073273085 1970 7.788607287178668 1971 7.8526233414602915 1972 7.916221469591545 1973 7.986242083996366 1974 8.106201681969457 1975 8.246645989147902 1976 8.378789021811691 1977 8.476007516925478 1978 8.522001256346714 1979 8.567401487615413 1980 8.595240103644468 1981 8.57801103414608 1982 8.546785093265461 1983 8.508325232136764 1984 8.48151585593669 1985 8.476944004300986 1986 8.494164407271143 1987 8.538352011322067 1988 8.616340198075315 1989 8.746708936095908 1990 8.912437259742434 1991 9.078481026870616 1992 9.26389863228969 1993 9.485626831112535 1994 9.697357258462247 1995 9.892798183343231 1996 10.066921963044342 1997 10.219935061360335 1998 10.38976581174533 1999 10.559457648562041 2000 10.71957716614186 2001 10.884163834448398 2002 11.046252282068565 2003 11.208314942457244 2004 11.354185624342756 2005 11.480892424154128 2006 11.619017771337935 2007 11.744111590781651 2008 11.831488021975776 2009 11.926648166400676 2010 12.065448227027638 2011 12.284081501568554 2012 12.587655090727518 2013 12.956850633253742 2014 13.401996710661441 2015 13.94194252114443 2016 14.533472304393097 2017 15.198123973026876 2018 15.913515492826663 2019 16.64403892506802 2020 17.40851701975442 2021 18.107993277207793 2022 18.78411553626196 2023 19.482331922117893