Year	% of working-age population
1960	69.49852369942869
1961	69.566855139358
1962	69.82400167924743
1963	70.56896888211203
1964	71.71358793189584
1965	72.84817136922157
1966	73.92509278815592
1967	74.96453571988006
1968	75.95911429249392
1969	76.90772601858407
1970	77.79067595728097
1971	78.66457578892913
1972	79.52850025264736
1973	80.35828827714042
1974	81.14901290274568
1975	81.92301829104642
1976	82.69324009281812
1977	83.42306729973454
1978	84.19633139380863
1979	85.04016386618731
1980	85.86643187242846
1981	86.69025250157941
1982	87.51532331395744
1983	88.26741725775369
1984	89.01810634614714
1985	89.88045933107858
1986	90.86561746697856
1987	91.89847472986544
1988	92.8452924432713
1989	93.64321835804262
1990	94.28733956289108
1991	94.91107182348054
1992	95.41917939795556
1993	95.61845359362377
1994	95.55201176740626
1995	95.33032129962069
1996	95.09733937277683
1997	94.7944600062936
1998	94.16449948057254
1999	93.25304937919142
2000	92.24877254883135
2001	91.18592216281827
2002	90.13122351069178
2003	89.20631604993169
2004	88.44905558148322
2005	87.86806456337959
2006	87.54705651711801
2007	87.52374972127348
2008	87.73736453407747
2009	88.0231927080407
2010	88.2868609040342
2011	88.46674214733477
2012	88.49611939757835
2013	88.43681374448182
2014	88.24463490861582
2015	87.87083902488791
2016	87.31418434134328
2017	86.59377377831422
2018	85.7878786830429
2019	84.8988526477068
2020	83.8426992867062
2021	82.62639135850519
2022	81.35479193880956
2023	80.02226562903381