Year	% of working-age population
1960	46.86821719931143
1961	47.784250712463326
1962	48.55451707624332
1963	49.24067303353195
1964	50.065245759025665
1965	50.93429008523348
1966	51.72493706433524
1967	52.417784410431864
1968	52.859893223370705
1969	53.05265449202541
1970	53.15917814405058
1971	52.89245497003956
1972	52.20245649319568
1973	51.69156985300483
1974	51.304659101078585
1975	50.801586367990325
1976	50.148803949236
1977	49.52229233474708
1978	49.04829153611469
1979	48.5057584166196
1980	47.80134589939037
1981	46.95941188068614
1982	46.05499748267843
1983	45.02651651877972
1984	44.146478828862534
1985	43.68400224123001
1986	43.416406131372085
1987	43.25678803404933
1988	43.40296444205514
1989	43.772160585611346
1990	44.228938780443585
1991	44.82123745443931
1992	45.470900255944215
1993	46.175119613705654
1994	46.917798229365694
1995	47.5947785130176
1996	48.166986804594245
1997	48.607282802015206
1998	48.926620238871706
1999	49.19695835412854
2000	49.0212687472035
2001	48.76279489753974
2002	48.8281875433634
2003	48.66274955150677
2004	48.462211563391236
2005	48.250442209934185
2006	47.909834013469194
2007	47.54170419301195
2008	47.08848185662899
2009	46.64168552036199
2010	46.19033612476065
2011	45.48171890304998
2012	44.88511706598264
2013	44.71346807892977
2014	44.59609086655924
2015	44.38155396653596
2016	44.04076602105618
2017	43.8125509451071
2018	43.78435267962726
2019	43.82170776403999
2020	43.96579088594298
2021	44.21442540804095
2022	44.56815756969378
2023	45.018642270127465