Year	% of working-age population
1960	87.67556004784292
1961	88.31594937733794
1962	88.85078310060199
1963	89.24008417213173
1964	89.43889306194835
1965	89.49139488265624
1966	89.45711861704321
1967	89.30938847366996
1968	89.03681897961431
1969	88.65369878399413
1970	88.1641022112312
1971	87.53596904928503
1972	86.78920705087354
1973	85.99053934858797
1974	85.14619763562736
1975	84.26879152774565
1976	83.3806219469198
1977	82.46591496722398
1978	81.52112944188679
1979	80.56115036560985
1980	79.5806470453638
1981	78.6008514993145
1982	77.6761000377566
1983	76.80510109910811
1984	75.95377234815506
1985	75.1067569646023
1986	74.24729681086862
1987	73.37298209542075
1988	72.49563154419135
1989	71.6242938319632
1990	70.73266471461079
1991	69.81871373525117
1992	68.90678700516295
1993	67.99994428990776
1994	67.09490264684534
1995	66.18764456046698
1996	65.26513352927326
1997	64.31718509484648
1998	63.364619347699616
1999	62.42440520360828
2000	61.50483542767586
2001	60.60987475897727
2002	59.72396030877008
2003	58.83850768426363
2004	57.96120361453672
2005	57.10823132206842
2006	56.28285439363421
2007	55.47982731889751
2008	54.69676327525524
2009	53.935832055456345
2010	53.18788266719721
2011	52.492691986172204
2012	51.856236329931974
2013	51.24652205259852
2014	50.692735027591226
2015	50.20769566478628
2016	49.763169239955495
2017	49.358721425916364
2018	49.00037981940425
2019	48.66720994014575
2020	48.33375033452322
2021	47.99920457373922
2022	47.728981652125626
2023	47.558980219173556