Year	% of working-age population
1960	75.25880983120926
1961	74.47807411846968
1962	73.68111671652008
1963	73.18787302136494
1964	73.013054027031
1965	73.1793116562084
1966	73.68240297994875
1967	74.1916017743996
1968	74.68817043356782
1969	75.16954078666926
1970	75.65305798626008
1971	76.14612445103519
1972	76.6446549061502
1973	77.1523570108719
1974	77.65274317463958
1975	78.1403604587657
1976	78.61491143301433
1977	79.06392574584794
1978	79.47532786242463
1979	79.86659747510446
1980	80.25028431534261
1981	80.61654889369251
1982	80.95922083768133
1983	81.24669626285228
1984	81.46331296773023
1985	81.61740727552149
1986	81.71429611562124
1987	81.74894456583999
1988	81.71954000879315
1989	81.6230972810434
1990	81.54280271383477
1991	81.4303245682437
1992	81.13422892273799
1993	80.6401714707851
1994	79.99309392265194
1995	79.16648270100089
1996	78.1619482314569
1997	76.95892051062178
1998	75.54335154482611
1999	74.10248748330599
2000	72.57517023696516
2001	70.7257984632148
2002	68.59386191626518
2003	66.2232314977789
2004	63.64160481767556
2005	61.26949240726063
2006	59.40505447984885
2007	57.74692543752054
2008	56.13740803621958
2009	54.65772282209922
2010	53.32871148124564
2011	52.152499749374506
2012	51.14900609505605
2013	50.29568839309648
2014	49.47920790069324
2015	48.593579445268546
2016	47.65149441404042
2017	46.421005340800384
2018	44.89674080439883
2019	43.37577856739862
2020	41.96146028969102
2021	40.72399500443447
2022	39.65901606572651
2023	38.7206170183904