Year	% of working-age population
1960	64.50457938211784
1961	64.95504611656217
1962	64.39672960698938
1963	63.43992193710586
1964	62.3513753526343
1965	61.20889384424545
1966	59.8630146387109
1967	58.39898017439897
1968	56.94609428461778
1969	55.52675386240167
1970	54.014314844634114
1971	52.667301517256895
1972	51.728256662153235
1973	51.001505615047826
1974	50.5800539557417
1975	50.527860036947814
1976	50.751993817625205
1977	51.17413968489548
1978	51.56540777135529
1979	52.0127495507938
1980	52.3817113755808
1981	52.501304702174245
1982	52.64386799408476
1983	52.823064920850804
1984	53.16752944834696
1985	53.63081000631011
1986	53.936425806133435
1987	54.109911970727495
1988	54.20833422856239
1989	54.124382623947184
1990	53.894053447426614
1991	53.527668258281466
1992	53.01783269123307
1993	52.47062144171433
1994	51.88220489414807
1995	51.22135296550594
1996	50.481331887286416
1997	49.578660490993855
1998	48.43719610258828
1999	47.23076524081944
2000	45.98584077387937
2001	44.89408486469773
2002	44.068905809528026
2003	43.27555493885266
2004	42.54626277423766
2005	41.91594442463135
2006	41.33153973485394
2007	40.80898005336331
2008	40.43544251202979
2009	40.22607610262133
2010	40.12367326458029
2011	40.36475933319091
2012	41.02296879060997
2013	41.880866565353905
2014	42.85127595200897
2015	43.90836031980451
2016	45.14151456371543
2017	46.565888567731115
2018	48.06263782880064
2019	49.53356077589794
2020	50.87972803082512
2021	51.98852369047384
2022	50.8411102394622
2023	50.31816849217993