Year	% of working-age population
1960	86.42150003974653
1961	88.21810215464416
1962	89.93807611944759
1963	91.3986157863144
1964	92.46145919777618
1965	93.3428818934258
1966	94.1244031268114
1967	94.69902164006989
1968	95.10761406928239
1969	95.38547201271312
1970	95.53329741167904
1971	95.45407623479709
1972	95.10461284123967
1973	94.50188634792694
1974	93.67536069951215
1975	92.68215424890153
1976	91.53965902457905
1977	90.39777457850552
1978	89.40121944119346
1979	88.61721123392154
1980	88.1471701744283
1981	87.95162326072447
1982	87.93639680164047
1983	88.13078695032364
1984	88.95753865500984
1985	90.2489083112802
1986	91.47652220659043
1987	92.41305694459645
1988	92.81824040446766
1989	92.75668730181069
1990	92.39358793417694
1991	91.9172324805129
1992	91.05463367027514
1993	89.73778142991488
1994	88.2201638019851
1995	86.5336904239919
1996	84.76795700269587
1997	82.86048778352719
1998	80.81986570206013
1999	79.01792018170113
2000	77.53867692026772
2001	76.08092746344866
2002	74.63344538902314
2003	73.34135230063549
2004	72.19713320537203
2005	71.23089819727997
2006	70.38700492003606
2007	69.57458515999146
2008	68.8512296540189
2009	68.28850457637708
2010	67.93913157994315
2011	67.75765422540076
2012	67.64488879645873
2013	67.52206560549419
2014	67.31353863184806
2015	66.99369637663925
2016	66.51368484281961
2017	65.83140277135864
2018	65.11822016491054
2019	64.45403701268903
2020	63.68374932815378
2021	62.85795831959119
2022	62.071595077830246
2023	61.26310473393269