Year	% of working-age population
1960	77.14744383594316
1961	76.55710887439547
1962	76.0879428826727
1963	75.94546323377402
1964	76.01483274313168
1965	76.57688687940855
1966	77.62687135244862
1967	78.62053632507867
1968	79.53438840678628
1969	80.35965523466511
1970	81.10908169775757
1971	81.77087794432548
1972	82.30951823090999
1973	82.74450213161117
1974	83.13444836499679
1975	83.52210003878679
1976	83.89050862949688
1977	84.18520055120094
1978	84.40007511248817
1979	84.5564084758169
1980	84.64982634128508
1981	84.71002128875968
1982	84.7959188093423
1983	84.91814202914138
1984	85.06773202970145
1985	85.25636211242261
1986	85.43557798054027
1987	85.66400332528389
1988	85.96656257247088
1989	86.32395944357903
1990	86.82161816391766
1991	86.9617616299849
1992	87.3440294148933
1993	86.5791473751968
1994	86.02330371748886
1995	82.71754675443549
1996	80.72652947079241
1997	83.03462699102111
1998	84.79694109055701
1999	85.98747845289112
2000	86.68203399437533
2001	85.61651459988961
2002	83.95756227744735
2003	81.6987447757952
2004	79.72871229090089
2005	79.70038912803435
2006	80.4659386699022
2007	81.16337544069194
2008	80.41838861274906
2009	79.64064375607663
2010	79.26276313862924
2011	78.58566991148092
2012	78.07363049708032
2013	77.69344615627557
2014	77.8890627929763
2015	78.2752881902772
2016	78.16639486602459
2017	77.5967899891186
2018	76.26305903479906
2019	74.60392605199225
2020	72.73491787924588
2021	70.7727703595523
2022	69.01995010919289
2023	67.4478439432697