Year	% of working-age population
1960	71.17863659548512
1961	71.40527251909859
1962	71.53498543628804
1963	71.61885313958045
1964	71.80108185241923
1965	72.0307099832132
1966	72.29413760941158
1967	72.6475208918351
1968	73.07344656677257
1969	73.55856743894924
1970	74.08916672663479
1971	74.718693504579
1972	75.42506497758662
1973	76.16594081449539
1974	76.95875318284791
1975	77.82591355117854
1976	78.8199023373069
1977	79.86808542257543
1978	80.9271936601093
1979	82.04754509491728
1980	83.15957742563246
1981	84.24956267097923
1982	85.30559940551605
1983	86.26948791747274
1984	87.27380034298211
1985	88.43655851576409
1986	89.76814015933039
1987	91.18203231652656
1988	92.4884654298996
1989	93.50595174486043
1990	94.1510514345133
1991	94.66668643582632
1992	95.09718838571847
1993	95.30470938904786
1994	95.30990623855176
1995	95.13058183968562
1996	94.84458897631714
1997	94.46582253110935
1998	93.89427359509001
1999	93.22764839209322
2000	92.63025397183864
2001	92.10571939315577
2002	91.69994079881405
2003	91.46946722048764
2004	91.45575523621636
2005	91.72435613282556
2006	92.1246548843574
2007	92.54074814507943
2008	93.0434813480291
2009	93.6357453651317
2010	94.32101937359204
2011	95.07890254304058
2012	96.24962313724743
2013	97.24398757016696
2014	97.57856549623823
2015	97.72855275941853
2016	97.62450700248286
2017	97.28726182981114
2018	96.8342636960324
2019	96.24007417586694
2020	95.41417279888074
2021	94.46786071444497
2022	93.5737498652787
2023	92.66273231670318