Year	% of working-age population
1960	72.48257225138556
1961	71.94220762731925
1962	71.63199117300411
1963	71.7783971841875
1964	72.48710264624287
1965	73.34224411926982
1966	74.03290385016793
1967	74.6177347380895
1968	75.11858435191937
1969	75.5763853472381
1970	75.99857493251483
1971	76.38297375626578
1972	76.75645149250097
1973	77.13124692153222
1974	77.88911443717829
1975	79.00343435560644
1976	80.08766197448442
1977	81.15166093336437
1978	82.19563687543983
1979	83.22606388066718
1980	84.26160562180578
1981	85.36233124094139
1982	86.45671914513434
1983	87.50956688973056
1984	88.17505385231048
1985	88.4329400984996
1986	88.68276548814225
1987	88.91377260536764
1988	89.10171771078345
1989	89.24828995711603
1990	89.38359146371472
1991	89.52897964084492
1992	89.70672911164665
1993	89.9753617163657
1994	90.30325775926211
1995	90.57243239971842
1996	90.73082703043191
1997	90.80080820472114
1998	90.8236671464482
1999	90.74471280261129
2000	90.51998400345218
2001	90.19428589704806
2002	89.78670845763173
2003	89.54250249668257
2004	89.50921513324256
2005	89.4735911279112
2006	89.42071592696992
2007	89.341108645978
2008	89.22650039639176
2009	89.12373732658662
2010	89.04384711681244
2011	88.93269748166543
2012	88.71984703344731
2013	88.33639968033447
2014	87.78983271932454
2015	87.14313611289003
2016	86.38075515831714
2017	85.50056535097707
2018	84.45949657458735
2019	83.25217779428681
2020	81.92043565773972
2021	80.46906749852155
2022	78.97578107047548
2023	77.46751317281726