Year	% of working-age population
1960	58.02616787039923
1961	57.75308412042458
1962	57.11283555220024
1963	56.33133386314525
1964	55.51650984867783
1965	54.8568115942029
1966	54.31306119250959
1967	53.69556182863631
1968	53.17545596921111
1969	53.017917458999285
1970	53.22596708743376
1971	53.64158880039721
1972	54.01673022252462
1973	54.380116405380676
1974	54.840364021811894
1975	55.22190126306867
1976	55.658022978351575
1977	56.03881123946165
1978	56.17012361198408
1979	56.14704867978807
1980	55.97033426977836
1981	55.72208587921621
1982	55.478469082146496
1983	55.28793293732822
1984	55.08911490763515
1985	54.708974730052816
1986	54.10685460368643
1987	53.48205017284272
1988	52.89629114715398
1989	52.19160320133538
1990	51.38934302835665
1991	50.57168709385539
1992	49.79776219115703
1993	49.0818870103269
1994	48.39164405956013
1995	47.73940324932306
1996	47.21903506650128
1997	46.76210816858756
1998	46.23295693055125
1999	45.722244508254725
2000	45.303318070755395
2001	44.947822963299465
2002	44.715905695698474
2003	44.573722041042366
2004	44.42856542885847
2005	44.26819362320129
2006	44.108435188300405
2007	44.07805610357707
2008	44.18379022196825
2009	44.379998110596105
2010	44.6689405401416
2011	44.961166079067034
2012	45.290919505755205
2013	45.592615788290615
2014	45.82465088608682
2015	46.14732903939615
2016	46.55437587444861
2017	46.85592629938235
2018	46.950061872777454
2019	47.0277451391173
2020	47.095978060833694
2021	47.02805929309322
2022	46.8710590785726
2023	46.65708485381004