Year	% of working-age population
1960	85.8312930955838
1961	86.14778013662215
1962	86.52455911878744
1963	87.01148026899382
1964	87.60246538263308
1965	88.16119747985267
1966	88.65138863526123
1967	89.12376218532647
1968	89.57472397527087
1969	90.01994486256278
1970	90.47491896127269
1971	90.93909472098234
1972	91.4018953032651
1973	91.7938878051294
1974	92.09298821156274
1975	92.37904568173138
1976	92.69200564885111
1977	92.96579017679683
1978	93.18648093722796
1979	93.43143043787555
1980	93.63603913737805
1981	93.86316226267364
1982	94.1142712433288
1983	94.30884449817735
1984	94.47568400708336
1985	94.61885255999047
1986	94.72460432150449
1987	94.82672708421063
1988	94.85633407181781
1989	94.80803496601484
1990	94.7435199581289
1991	94.63517720691847
1992	94.48803028164518
1993	94.3424142180923
1994	93.93384902197262
1995	93.40214536326187
1996	93.09287749441441
1997	92.78352234411504
1998	92.28841481027105
1999	91.73288921267779
2000	91.24846335456627
2001	90.80385557949582
2002	90.38477180438093
2003	89.98178593178586
2004	89.60616683248402
2005	89.29823124489387
2006	89.04937495795164
2007	88.82227567047589
2008	88.61436628322119
2009	88.41773515892382
2010	88.20825515623238
2011	87.98376519886436
2012	87.76743704541529
2013	87.50604097212484
2014	87.13858797918402
2015	86.68431462203324
2016	86.20789018293945
2017	85.69273094669896
2018	85.10241479514607
2019	84.45730169105542
2020	83.72884391482492
2021	82.93621222429634
2022	82.11676031383533
2023	81.2583232268681
