Year	% of working-age population
1960	11.40950951283207
1961	11.287692963001044
1962	11.13340215422372
1963	10.950199468018644
1964	10.76199356813032
1965	10.546822606635697
1966	10.311757166799943
1967	10.102018567608818
1968	9.914343350217768
1969	9.74247702837056
1970	9.58745806105608
1971	9.443808658935309
1972	9.303893338748317
1973	9.179742940617766
1974	9.085483850656175
1975	9.013324482537929
1976	8.765075791658738
1977	8.566530959832486
1978	8.498927059805489
1979	8.371838223024902
1980	8.194839740358443
1981	7.970185914538602
1982	7.617180953354865
1983	7.274711528429256
1984	7.086194173730028
1985	6.96826502400518
1986	6.909525766026083
1987	6.885929343292932
1988	6.8885305247361295
1989	6.955010271112215
1990	7.071603093093998
1991	7.201601020471084
1992	7.339895796921114
1993	7.483505374987737
1994	7.624207380357322
1995	7.754745776013064
1996	7.875225454866509
1997	7.988449898658967
1998	8.090233019719136
1999	8.180380570153908
2000	8.265943427419904
2001	8.34904477995715
2002	8.435827405573413
2003	8.520875363274657
2004	8.587318279694852
2005	8.636624106518823
2006	8.684721161704509
2007	8.737699170544644
2008	8.800184741225552
2009	8.87929613678136
2010	8.978647776767563
2011	9.103714728340655
2012	9.260159769876415
2013	9.460624009621444
2014	9.702243778487734
2015	10.320691415233387
2016	11.325775980600813
2017	12.330145258186192
2018	13.29162161267184
2019	14.188386346034296
2020	14.88511752503474
2021	15.331712398159725
2022	15.78653166570402
2023	16.46261278491753