Year	% of working-age population
1960	59.31797203194663
1961	59.169517112568556
1962	59.412816074453744
1963	59.60062529879756
1964	59.780722858755134
1965	60.434821289601715
1966	61.21249404545617
1967	61.71815747590132
1968	62.153767220002976
1969	62.448623295372975
1970	62.22618215525845
1971	61.90153134626871
1972	61.760325528740545
1973	61.44197637248401
1974	61.0731801736294
1975	60.98754460211505
1976	61.04057458020331
1977	60.94401607589138
1978	60.645000268911176
1979	60.121324901602925
1980	59.44629528588889
1981	58.64983353734865
1982	57.89308516739094
1983	57.114224757485744
1984	56.30036430148758
1985	55.616346184597546
1986	54.97942332161547
1987	54.249981391635025
1988	53.48265233861061
1989	52.69803928391716
1990	51.76988278111515
1991	50.796530490230026
1992	50.06640470683317
1993	49.628956136939365
1994	49.27254560334702
1995	48.93951892454056
1996	48.6947546249803
1997	48.546281257572254
1998	48.47908311833994
1999	48.43356933285549
2000	48.439694519939295
2001	48.63146507984477
2002	48.95699250614005
2003	49.29103743131088
2004	49.66197846203876
2005	49.97147161897277
2006	50.13242881567703
2007	50.21792573455719
2008	50.37484124952876
2009	50.67270769122854
2010	50.98098882554084
2011	51.32709127261526
2012	51.765266239052245
2013	52.32197425384075
2014	52.89616058104022
2015	53.34584015079243
2016	53.87405114534657
2017	54.48549056038654
2018	54.98306143261744
2019	55.398071608489055
2020	55.7447693492107
2021	56.015910208533526
2022	56.44454116261588
2023	57.03487909756178