Year	% of working-age population
1960	82.74144510806254
1961	83.30313275886867
1962	83.69380202146675
1963	83.83814767748967
1964	83.6310116474609
1965	83.15115240882643
1966	82.54193351803045
1967	81.78529420755704
1968	80.87959926529908
1969	79.85376806635801
1970	78.74429791250172
1971	77.57633018982781
1972	76.353956399197
1973	75.08896670893776
1974	73.7783591963231
1975	72.44697007318328
1976	71.13906981404688
1977	69.86179815042235
1978	68.63625243307835
1979	67.49931335252052
1980	66.482428625678
1981	65.59664235368005
1982	64.82687032780913
1983	64.14097892175086
1984	63.48067546070371
1985	62.78661539932598
1986	62.03812304771994
1987	61.23725121684003
1988	60.365237810065686
1989	59.43554327758681
1990	58.44510106904348
1991	57.371975090299735
1992	56.21339556309627
1993	54.99071597489875
1994	53.73343709853417
1995	52.45644817025323
1996	51.16680425194625
1997	49.87301390293851
1998	48.60222876106296
1999	47.35755574573145
2000	46.138258931697344
2001	44.960270372966335
2002	43.816154874152886
2003	42.698973407011835
2004	41.64143726407552
2005	40.663334462526926
2006	39.73906042062808
2007	38.8494307585461
2008	37.96999237923647
2009	37.093346760074
2010	36.22435084442281
2011	35.370806704624485
2012	34.5376013138392
2013	33.720093943856355
2014	32.973241052129495
2015	32.32620183461106
2016	31.711878515361697
2017	31.14651759481391
2018	30.692081494089223
2019	30.26809285291335
2020	29.817428225517606
2021	29.394929743446056
2022	29.020378383234597
2023	28.664116129523766