Year	% of working-age population
1960	82.07326217819183
1961	82.86447384599711
1962	83.51873151181887
1963	84.13429961470072
1964	84.68822720869608
1965	85.20178479416066
1966	85.6927373487071
1967	86.09287997799966
1968	86.31887835937138
1969	86.43275786413045
1970	86.53082940487552
1971	86.61576929402227
1972	86.69930289621749
1973	86.74815154167982
1974	86.67211052308025
1975	86.70773204463558
1976	86.83316380983076
1977	86.67578575739505
1978	86.33157034885701
1979	85.95229022527758
1980	85.52713657312542
1981	85.09791156938472
1982	84.6707403813351
1983	84.24007110910003
1984	83.81259489056976
1985	83.36335720461786
1986	82.90476328301234
1987	82.42783800874398
1988	81.86085534297402
1989	81.17716644387518
1990	80.52769984961807
1991	79.52969240843932
1992	78.39828971555175
1993	77.20883281502043
1994	75.9033547044897
1995	74.49192364835346
1996	72.97071681589867
1997	71.3428214157672
1998	69.717251121265
1999	68.13400034535857
2000	66.59069212433496
2001	65.1171388258945
2002	63.725948011954735
2003	62.42096943101356
2004	61.20325215395733
2005	59.963922581331715
2006	58.571053860576036
2007	57.13767506115087
2008	55.98326448941767
2009	55.11950404578256
2010	54.54886123097622
2011	54.32909353477937
2012	54.29011453158739
2013	54.38333830470391
2014	54.52421050243722
2015	54.57849580355504
2016	54.48041700572264
2017	54.276059657162484
2018	54.014147844825
2019	53.70945126884883
2020	53.51794548047921
2021	53.27294610127187
2022	52.745667735706824
2023	52.05013411964201