Year	% of working-age population
1960	62.1932582907825
1961	62.7344832807277
1962	62.806001660255994
1963	62.54616433192539
1964	62.403098738707364
1965	62.11951272704614
1966	61.43672699288959
1967	60.53308173559145
1968	59.56038927210046
1969	58.62798554776525
1970	57.802220040870786
1971	56.95440643019178
1972	56.25505015223967
1973	55.970814310706004
1974	56.1387089320519
1975	56.435205617413395
1976	56.651608248245424
1977	57.00038986557098
1978	57.365903702895615
1979	57.64799649655017
1980	57.53723458102397
1981	56.9377990430622
1982	56.28473247396465
1983	55.684297840555985
1984	55.5331376085784
1985	55.777626949231774
1986	56.043931612530294
1987	56.221004906022245
1988	56.129498435165296
1989	55.68002157590251
1990	54.92963799668049
1991	54.148764058791286
1992	53.33067618768774
1993	52.430883338781406
1994	51.42569540055225
1995	50.3591711680487
1996	49.33826443520133
1997	48.32564743276593
1998	47.24194972291663
1999	46.08767502164505
2000	44.89393745064302
2001	43.680058082476904
2002	42.55741098566396
2003	41.56539374721394
2004	40.73441091363099
2005	40.06235645892477
2006	39.47424982387429
2007	39.000137070265325
2008	38.68034315130791
2009	38.65831827839848
2010	38.84793945257925
2011	39.12425971455521
2012	39.591889100478625
2013	40.243476873168554
2014	41.021521033450995
2015	41.93517322015784
2016	43.120021841702474
2017	44.511609321464704
2018	45.9159106465228
2019	47.283682544380376
2020	48.51368700789169
2021	49.49809122071307
2022	48.62619810055111
2023	48.303555055994316