Year % of working-age population 1960 86.7792484405903 1961 86.19251225362395 1962 85.62401578727051 1963 85.01960635738506 1964 84.58669535592612 1965 84.78840697891714 1966 85.47072024799392 1967 86.19174209013937 1968 86.90324564100311 1969 87.61172313448348 1970 88.30242324647207 1971 88.9549130115168 1972 89.57984350260446 1973 90.16708133150308 1974 90.67867532778065 1975 91.11858381132144 1976 91.46321098159714 1977 91.72304079390932 1978 91.91135925006893 1979 92.0152163575844 1980 92.02445628025191 1981 91.93011460125734 1982 91.73316775552077 1983 91.45116700421194 1984 91.08564342573703 1985 90.64041752501296 1986 90.13147870976994 1987 89.57781429194192 1988 88.98984793451899 1989 88.38193774153083 1990 87.76936990864847 1991 87.1508712585905 1992 86.49577151202111 1993 85.72804618656943 1994 84.90620875780358 1995 83.99152542372882 1996 82.78552795735511 1997 80.42564918660857 1998 77.671645454406 1999 75.69674603542896 2000 74.25609810510791 2001 72.92995285309911 2002 71.7536467198022 2003 71.34188188549756 2004 71.37876081361526 2005 71.15838610398117 2006 70.3976726312867 2007 69.31409001956948 2008 68.20804072565434 2009 67.12824203216809 2010 66.15733627374776 2011 65.2221071920508 2012 64.33874242494691 2013 63.45076060848679 2014 62.46741492564772 2015 61.36392792769678 2016 60.14702222862161 2017 58.86237366409999 2018 57.59378568298158 2019 56.43225024615618 2020 55.39683919883797 2021 54.47860047228471 2022 53.67674177869487 2023 52.989505029400995