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	80.095767573688
1991	78.74273889102467
1992	77.62433143423502
1993	76.67490603118705
1994	75.40803664289042
1995	73.55815565775471
1996	71.45710777500723
1997	69.13126341221843
1998	66.72979734379955
1999	64.36788236337898
2000	62.06312971163751
2001	59.85818567170325
2002	57.900276529436034
2003	56.09517232581078
2004	54.36908326242469
2005	52.84055884979063
2006	51.40813321734874
2007	50.089594113792955
2008	49.15260389951716
2009	48.56593371039368
2010	48.190504219217715
2011	48.12317316678151
2012	48.318623940306026
2013	48.68768331209006
2014	49.17407642319468
2015	49.61759340992185
2016	49.83194728557743
2017	49.87464967512268
2018	49.80354904294337
2019	49.55610535622593
2020	49.19912777540091
2021	48.75366291224377
2022	48.17064090214944
2023	47.4581155436027