Year	% of working-age population
1960	44.22991523492984
1961	44.77240919327884
1962	44.875997718520544
1963	44.81472418301154
1964	44.62656089372479
1965	44.362404683755045
1966	44.10527357952706
1967	43.849365108634395
1968	43.550245270594694
1969	43.15993849427957
1970	42.67350801442884
1971	42.181670441547624
1972	41.70173289920628
1973	41.18293083969242
1974	40.647426106067584
1975	40.092626419102174
1976	39.52433711693078
1977	38.97579250854817
1978	38.416785203894754
1979	37.8950533710143
1980	37.43780878000186
1981	36.98459417089786
1982	36.53788403673683
1983	36.12057993233856
1984	35.781274318162524
1985	35.531041072145754
1986	35.31269139838245
1987	35.10548033555272
1988	34.92653147373828
1989	34.72726340707582
1990	34.49389139538926
1991	34.211196341557816
1992	33.91520353250235
1993	33.621545910957266
1994	33.259014680779885
1995	32.82200943447503
1996	32.327467527271004
1997	31.770168556306565
1998	31.125623551057696
1999	30.432966053384053
2000	29.752969809753285
2001	29.060782949868116
2002	28.36627981503533
2003	27.75195952886815
2004	27.239328472611327
2005	26.78647857489919
2006	26.403500564427823
2007	26.10731983498563
2008	25.936918479841065
2009	25.8706228072474
2010	25.844912277157835
2011	25.888870062815833
2012	26.013664407259323
2013	26.186764842172437
2014	26.3988134084955
2015	26.635360119915145
2016	26.87510643169199
2017	27.109063659026504
2018	27.30312912260804
2019	27.44613525040189
2020	27.53312473156852
2021	27.58147744404553
2022	27.585473258960704
2023	27.458452034808502