Year	% of working-age population
1960	63.520792301204914
1961	63.78346219496796
1962	63.87167992834438
1963	63.7865636949748
1964	63.50361672369477
1965	63.201137036405306
1966	62.93611773580501
1967	62.61202507797117
1968	62.24742161876056
1969	61.825243479261715
1970	61.33188491425409
1971	60.791104162292385
1972	60.21528065504638
1973	59.61203477211635
1974	59.06663493293627
1975	58.599765430394754
1976	58.18510043727408
1977	57.785882470079116
1978	57.40227951152101
1979	57.06501632406968
1980	56.79048255135134
1981	56.58226827374312
1982	56.43630638894649
1983	56.38388581163974
1984	56.371780456847205
1985	56.384538258854924
1986	56.4577746814842
1987	56.578662067173155
1988	56.69606759905638
1989	56.89021713694351
1990	57.10455424940938
1991	57.095710262367504
1992	56.83788238590471
1993	56.556312617815024
1994	56.396033796061666
1995	56.00353941121935
1996	55.2740317287259
1997	54.36379033213451
1998	53.314928304820405
1999	52.14669620506019
2000	51.07063991220114
2001	50.167050154588416
2002	49.30650782021844
2003	48.37061849538072
2004	47.26512496122892
2005	46.09582018034752
2006	44.95984714356823
2007	43.85485249800105
2008	42.80121512893927
2009	41.83772289545456
2010	41.16074751682463
2011	40.739478326389126
2012	40.271988683327564
2013	39.83180430870397
2014	39.472370810080086
2015	39.024981160817745
2016	38.518488042753326
2017	37.98719268207093
2018	37.46995834806248
2019	37.028947523604224
2020	36.67884994846535
2021	36.33689116068256
2022	35.9264199614605
2023	35.50090702559218