Year	% of working-age population
1960	85.30034632242652
1961	87.03187618424803
1962	87.54265578230105
1963	87.1642883434147
1964	86.07351834241446
1965	84.31408037902598
1966	81.88098034790895
1967	78.95873017054079
1968	75.63293017400296
1969	71.80914081228504
1970	68.07892630723268
1971	64.6886517254795
1972	61.444282933301594
1973	58.368084900559644
1974	55.29469972241057
1975	52.13861573439925
1976	49.242694462731926
1977	46.63630217179796
1978	44.13683603882977
1979	41.8430660923938
1980	39.78904186295634
1981	38.09846158435528
1982	36.79489845579646
1983	35.79454956400463
1984	34.99021240769557
1985	34.151291761287446
1986	33.16693504546653
1987	32.15900072113738
1988	31.190141672734086
1989	30.26482266813908
1990	29.628412981009916
1991	29.42863517255559
1992	29.29138367688046
1993	28.960092392937455
1994	28.50245939171736
1995	28.159960203831773
1996	28.043389832519605
1997	27.82443820023471
1998	27.258807256612926
1999	26.351776128237752
2000	25.579171009700442
2001	25.37053846156339
2002	25.26640571093075
2003	24.81242798530819
2004	23.994900459163375
2005	23.065960798376494
2006	22.276889656025336
2007	21.432044559806325
2008	20.360116543366736
2009	19.122539862600156
2010	18.143043969450716
2011	17.766012746914974
2012	17.611794608444022
2013	17.28046827251632
2014	16.749035786707527
2015	16.223376969500794
2016	15.954745401150138
2017	15.896872150784871
2018	15.95108615678171
2019	16.1483539612428
2020	16.268809064376715
2021	16.233055019392463
2022	16.208953143188552
2023	16.200797402238624