Year	% of working-age population
1960	53.25211239929259
1961	53.164732856249564
1962	53.12564501259065
1963	53.02413591254985
1964	52.91227503398888
1965	52.9652324497136
1966	53.184612543204665
1967	53.50126142141933
1968	53.9190643517498
1969	54.370332217357706
1970	54.8871025549127
1971	55.365773007071276
1972	55.45389239668796
1973	55.06110702761963
1974	54.31515777564623
1975	53.2723767022786
1976	52.50390109230585
1977	52.18196149620217
1978	51.749058016664485
1979	51.0193956861726
1980	50.079739205891315
1981	49.026474783435575
1982	47.936402857990736
1983	46.888958721465286
1984	45.98780433918077
1985	45.26909344248019
1986	44.759194630872486
1987	44.46529478494111
1988	44.274673257372655
1989	44.16716714643693
1990	44.13962786406274
1991	44.3899304351374
1992	44.909183673469386
1993	45.36845008837081
1994	45.710983604880695
1995	45.90954218396569
1996	46.09454872612767
1997	46.26812443321344
1998	46.341735671375226
1999	46.340255671769995
2000	46.21251760917689
2001	46.21068017539996
2002	46.34454366460492
2003	46.37807008022419
2004	46.33759675888322
2005	46.17174547464151
2006	45.81134754494695
2007	45.387177273201694
2008	45.0932692127064
2009	44.9416867559593
2010	44.84295827295634
2011	45.19075963458053
2012	45.91516645662193
2013	46.40749835080261
2014	46.777341968439295
2015	47.07909389339282
2016	47.39547697072275
2017	47.63160011080234
2018	47.31932884132647
2019	46.70199776582755
2020	46.21043817075672
2021	45.96177740962073
2022	46.025115131992855
2023	46.361944191714734