Year	% of working-age population
1960	76.74754900251318
1961	78.17897013002492
1962	79.55281343422605
1963	80.73022839676003
1964	81.57538213114199
1965	81.95273612633898
1966	81.92316476084396
1967	81.65392884010679
1968	81.14103819323056
1969	80.3717422011823
1970	79.32673903110683
1971	78.02879690518277
1972	76.54889849497333
1973	74.87096201831548
1974	73.02229199177914
1975	71.0963787734806
1976	69.13190179616491
1977	67.16346798712331
1978	65.23994496060787
1979	63.39862465198186
1980	61.70428076942158
1981	60.18897964706254
1982	58.842033504480305
1983	57.641877322031995
1984	56.57346966010114
1985	55.644974240001154
1986	54.838268359128705
1987	54.14535597246238
1988	53.58652145872026
1989	53.140511362579666
1990	52.77842847258558
1991	52.468711278021765
1992	52.20109473650608
1993	51.95176881637046
1994	51.697939920797666
1995	51.4116328081901
1996	50.99295516794887
1997	50.35575132594485
1998	49.482639130423586
1999	48.405545998789854
2000	47.16893754658138
2001	45.7857694841062
2002	44.27082794963129
2003	42.68255545954402
2004	41.02786982096529
2005	39.301650802857175
2006	37.55893611961366
2007	35.82169490416694
2008	34.14482640600536
2009	32.56666540788197
2010	31.12221668810712
2011	29.866926368767505
2012	28.820685518840016
2013	27.97905424084788
2014	27.25423182445525
2015	26.598397879154284
2016	26.07748989682043
2017	25.593194115877928
2018	25.09758877811059
2019	24.67204697796102
2020	24.327887315733705
2021	24.12679071542184
2022	24.028358094609487
2023	23.943720263330007