Year	% of working-age population
1960	65.35666342637597
1961	65.8860212117074
1962	65.61483988776556
1963	64.83786190569275
1964	64.02795425667091
1965	63.61754109901031
1966	63.72206420154409
1967	64.25328506570132
1968	64.96716041103726
1969	65.54152642944689
1970	65.86162752928139
1971	65.7745140066725
1972	65.1462729825197
1973	64.03380836071622
1974	62.55236538265046
1975	60.9064641294477
1976	59.38747695021246
1977	58.052387712756826
1978	56.73220091768209
1979	55.56230282743605
1980	54.89918743775889
1981	54.53690446110222
1982	53.92072646950547
1983	52.933783158034
1984	51.55761243013178
1985	49.90382348196225
1986	48.33946564701922
1987	47.05477132882646
1988	46.076993896409455
1989	45.2463127989435
1990	45.04034896401309
1991	45.55082691375317
1992	46.076343032420226
1993	46.48495053672911
1994	46.756121897476405
1995	46.90725880928438
1996	46.97955296167953
1997	46.95035319072299
1998	46.84844892313772
1999	46.74191943336032
2000	46.77224546587692
2001	46.89115188778941
2002	46.87544824288788
2003	46.65156476052692
2004	46.1600363546854
2005	45.41844665675518
2006	44.519862751147635
2007	43.49635022938762
2008	42.41291810841984
2009	41.35576420055618
2010	40.91899512945399
2011	41.020028756422114
2012	41.21083718541346
2013	41.433050450069416
2014	41.603314020002216
2015	41.84533847265719
2016	42.142411516579294
2017	42.42886702182441
2018	42.60581288025768
2019	42.7098339525362
2020	42.58537833764609
2021	42.2528709643991
2022	41.948969835586134
2023	41.66005321880398