Year	% of working-age population
1960	73.41025446042124
1961	72.78850058714777
1962	73.07158510571594
1963	74.76468967370695
1964	76.30352382952888
1965	76.99392278146006
1966	77.27395516854243
1967	76.87890833171998
1968	76.41383603912588
1969	76.19481831131526
1970	75.76836343438556
1971	75.37966574220525
1972	74.66626550219682
1973	73.94929538290704
1974	73.81937711632844
1975	73.79497592502771
1976	73.64227527632204
1977	72.33299798160131
1978	69.30055309140798
1979	66.22819530322647
1980	63.7377979035984
1981	61.53818854227504
1982	59.81559123176434
1983	57.9080178119469
1984	55.72361548494862
1985	53.76009656795443
1986	52.09785441526039
1987	50.85600429162153
1988	49.79919334292393
1989	48.95501976599528
1990	48.51650187597914
1991	48.10141199460725
1992	47.538180518822344
1993	46.97130097607698
1994	46.26638789468698
1995	45.40374652089417
1996	44.4006846730697
1997	43.196488741416566
1998	42.02384211533634
1999	40.942339140427116
2000	39.80484513430859
2001	38.55150639828215
2002	37.13109183552927
2003	35.7418902448275
2004	34.42705556272831
2005	33.09164017879478
2006	32.032577348226084
2007	31.357382806078828
2008	30.850265183937882
2009	30.46411019480583
2010	30.163208858380653
2011	29.936829040503248
2012	29.841198854059428
2013	29.831011124467476
2014	29.85662380403662
2015	29.860903842300793
2016	29.873511404463695
2017	29.985133958180004
2018	30.024442376124245
2019	29.922753068359057
2020	29.692267498411503
2021	29.300550278608963
2022	28.82766383730685
2023	28.291014524107474