Year	% of working-age population
1960	47.04730437011771
1961	46.51767877248347
1962	46.03669368214642
1963	45.53569536953566
1964	44.98704868092862
1965	44.48055158651087
1966	44.4116938640968
1967	44.47032404824385
1968	44.4226145522837
1969	44.45006021352402
1970	44.519484116019385
1971	44.64917675993269
1972	44.97493206034394
1973	45.43462303396147
1974	45.834560044323226
1975	46.149373106311785
1976	46.3837595621718
1977	46.58521876500842
1978	46.63011999675272
1979	46.42589605478869
1980	45.91583380819067
1981	45.09766807179209
1982	44.16886359474598
1983	43.349058604772935
1984	42.76327089354481
1985	42.488397656612406
1986	42.496363846766485
1987	42.611326636124176
1988	42.73614943788687
1989	42.853427973493815
1990	42.961007790300734
1991	43.174926071752246
1992	43.32503471399566
1993	43.366336006828575
1994	43.53343715483557
1995	43.80729628125093
1996	44.18654963355227
1997	44.6199636227534
1998	44.89293586759005
1999	45.014692055328055
2000	45.21340422625742
2001	45.63935929367337
2002	46.11477866981642
2003	46.48916898051006
2004	46.80385250211408
2005	46.99522630974225
2006	47.07259502380742
2007	47.12757976276467
2008	47.14628902261781
2009	47.13063579354059
2010	47.15211785673274
2011	47.270044860357984
2012	47.56340556873206
2013	48.316584194184294
2014	49.469154934566944
2015	50.549885868340574
2016	51.19571564502454
2017	51.673912423556615
2018	52.24562495216845
2019	52.91646639947739
2020	53.549228673368944
2021	53.81945374416818
2022	53.83169536543993
2023	53.910337464182504