Year	% of working-age population
1960	81.34184322498574
1961	82.48804240099969
1962	83.64561989057648
1963	84.53983940704138
1964	85.2842542318748
1965	86.07127671910634
1966	86.7278813606867
1967	87.19121848891461
1968	87.44627319425517
1969	87.48102930761188
1970	87.28925162989579
1971	86.8281000532198
1972	85.748846714451
1973	84.1313486122308
1974	82.36243276789408
1975	80.45931446391289
1976	78.43956544860595
1977	76.33133224182887
1978	74.27090234915322
1979	72.26353046095535
1980	70.31154812162667
1981	68.522655081255
1982	66.8363586331607
1983	65.15764634527724
1984	63.539277391416036
1985	62.21024210881575
1986	61.19904241944095
1987	60.3857703278044
1988	59.899733055537475
1989	59.66032252685739
1990	59.49015099732803
1991	59.312118192123066
1992	59.02174642343277
1993	58.71950640027487
1994	58.300111853615164
1995	57.48472290510641
1996	56.30400439590632
1997	54.87595547807429
1998	53.2783507851691
1999	51.63790134323217
2000	49.98725449356819
2001	48.36530765686013
2002	46.81223844728695
2003	45.15912820394296
2004	43.50748669439726
2005	42.0168160011483
2006	40.76605092577562
2007	39.924144764177576
2008	39.16019121022596
2009	38.342347228813864
2010	37.71235366301978
2011	37.17081401988877
2012	36.65730552614214
2013	36.25054694575316
2014	35.79926946452659
2015	35.18761585090927
2016	34.523442702794036
2017	33.85570974341278
2018	33.26860999706544
2019	32.76408228309349
2020	32.22195416164053
2021	31.61699192366281
2022	30.97069928008293
2023	30.26108453402025