Year % of working-age population 1960 81.14215440525935 1961 82.16951788107379 1962 82.99486738368331 1963 83.70516865597382 1964 84.17832086342167 1965 84.50304398255017 1966 84.83669606691635 1967 85.10497441852596 1968 85.23182552085903 1969 85.26089874571352 1970 85.25227213370961 1971 85.21870557876578 1972 85.17399771414314 1973 85.08100863550364 1974 84.90143047452646 1975 84.80998968756026 1976 84.87626358968593 1977 84.79407747321895 1978 84.57279650106535 1979 84.39718714101163 1980 84.2327475489743 1981 83.64166653532317 1982 83.12254118762152 1983 83.05372386286501 1984 82.94025001611266 1985 82.77362814686742 1986 82.5534291618189 1987 82.26056717879207 1988 81.85628322417321 1989 81.26288777789519 1990 80.26514238499405 1991 78.9229093700116 1992 77.81449179995532 1993 76.87449615693241 1994 75.61897867066497 1995 73.78375620818107 1996 71.69847822906033 1997 69.3891071096316 1998 66.9991262558178 1999 64.64770736318407 2000 62.35207975131411 2001 60.15505301917458 2002 58.202968205319756 2003 56.40120050420546 2004 54.67610264653063 2005 53.145919823515065 2006 51.71017496423795 2007 50.386799041066375 2008 49.4432271876595 2009 48.848691117777975 2010 48.465434104819245 2011 48.38981603341131 2012 48.57608542770557 2013 48.93456269020942 2014 49.4097129918274 2015 49.84342486948668 2016 50.050385744630674 2017 50.08831380638326 2018 50.01593146305945 2019 49.76772908797841 2020 49.40894211534923 2021 48.960946688051266 2022 48.37580846210854 2023 47.66128242077224