Year	% of working-age population
1960	96.63447978605078
1961	97.13372602556993
1962	97.50200850509691
1963	97.77009783558496
1964	97.83307543397811
1965	97.65877253365639
1966	97.26972552416754
1967	96.617684897794
1968	95.74353592550463
1969	94.68803036552887
1970	93.47743377359606
1971	92.12837606610346
1972	90.65030202789252
1973	89.09401156832253
1974	87.5691957339442
1975	86.16162809228915
1976	84.8588170496035
1977	83.62595936764902
1978	82.46135522723505
1979	81.3633089762226
1980	80.32166978930601
1981	79.32068460153377
1982	78.34917374126962
1983	77.40972031334053
1984	76.51969563189284
1985	75.68919605975226
1986	74.95129323441722
1987	74.28776877990947
1988	73.62859575404966
1989	72.94535063544228
1990	72.22119425406687
1991	71.4383770061748
1992	70.59255115561106
1993	69.69225912201746
1994	68.7478858590816
1995	67.77863191034376
1996	66.80936882929541
1997	65.865696767998
1998	64.95016998335747
1999	64.04394197268928
2000	63.14316806055839
2001	62.20095909009655
2002	61.23113822399308
2003	60.284496890831164
2004	59.378745087196094
2005	58.54957925970087
2006	57.80534080570617
2007	57.14648330519265
2008	56.562252725283344
2009	56.0422106585587
2010	55.582584949976834
2011	55.16272399109451
2012	54.764213800493586
2013	54.37397537437266
2014	53.99384754112031
2015	53.64289032905351
2016	53.48485138216412
2017	53.93790995341584
2018	55.30397412215993
2019	56.80547935389071
2020	57.42722573645101
2021	57.50230557645667
2022	56.69745411794226
2023	55.164065748866165