Year	% of working-age population
1960	83.41696761799246
1961	84.50073106978631
1962	85.49027603850577
1963	86.40420253922649
1964	87.07196207930866
1965	87.38122800590857
1966	87.45145692980407
1967	87.32059765077605
1968	86.9587177877542
1969	86.35299781491443
1970	85.49199790924092
1971	84.41183283197061
1972	83.131740110992
1973	81.62917501162336
1974	79.93927869216331
1975	78.09763421551858
1976	76.11807127776217
1977	73.93110250254786
1978	71.572804841538
1979	69.18346791577673
1980	66.82845676453984
1981	64.52088021726507
1982	62.20380293667937
1983	59.84314591261284
1984	57.50581863567968
1985	55.25345795229859
1986	53.11595043906884
1987	51.086287729005505
1988	49.16349640312341
1989	47.42481419192855
1990	45.638887439876626
1991	43.94594073435585
1992	42.4891174500807
1993	41.17129905168494
1994	40.07652158888964
1995	39.15974053624934
1996	38.31002002504808
1997	37.410685661994165
1998	36.48818936164061
1999	35.5222639797806
2000	34.44274689720496
2001	33.34834954775709
2002	32.373644728961246
2003	31.509347338465727
2004	30.742101837363933
2005	30.022756982636732
2006	29.302991161277863
2007	28.630703873340728
2008	28.02956784691831
2009	27.46715146129087
2010	26.840809680469242
2011	26.155356207210232
2012	25.53182239653065
2013	25.022472576748733
2014	24.629561328495075
2015	24.29366795073585
2016	23.968301184489416
2017	23.669227098474146
2018	23.410782539822865
2019	23.168719326574866
2020	22.923997857654438
2021	22.673008478796795
2022	22.405407660059748
2023	22.124357226548295