Year	% of working-age population
1960	45.061121864767166
1961	45.155183833759885
1962	45.218019820939666
1963	45.09239572131054
1964	44.7697477810191
1965	44.35543023760846
1966	43.96679145999751
1967	43.63607711024942
1968	43.37211848075958
1969	43.1190467170489
1970	42.832187152432425
1971	42.51592707713335
1972	42.048719475996556
1973	41.27914093907151
1974	40.29373042175512
1975	39.24845192250952
1976	38.19684110417457
1977	37.24660035764556
1978	36.44018503627608
1979	35.74878203483919
1980	35.174272138637626
1981	34.65698413524608
1982	34.187512002497826
1983	33.86591372300862
1984	33.68857621508875
1985	33.5698505151409
1986	33.501465938679544
1987	33.50376986696382
1988	33.55964773126835
1989	33.62866724456754
1990	33.72579049677342
1991	33.83052662108836
1992	33.888965821780126
1993	33.811828877287006
1994	33.513503651299736
1995	33.09324950178705
1996	32.60470336817341
1997	32.034916873167724
1998	31.354267949030266
1999	30.565893524330672
2000	29.706061384646425
2001	28.739943706440798
2002	27.700478849818694
2003	26.717149193143463
2004	25.82856748206331
2005	24.965258345857098
2006	24.138070856922088
2007	23.370103450196897
2008	22.760399960952206
2009	22.389226853303903
2010	22.156686051823478
2011	21.989853088569646
2012	21.895792936937838
2013	21.858113484479738
2014	21.86493494234027
2015	21.98437538199377
2016	22.243895000683008
2017	22.557113860637863
2018	22.837996965763516
2019	23.092231836258936
2020	23.360932147737962
2021	23.63888031886064
2022	23.988226799951793
2023	24.346237026004324