Year	% of working-age population
1960	79.14580463053194
1961	78.67787041291932
1962	78.50678733031674
1963	78.02953156822811
1964	77.19584012028568
1965	75.99654715294263
1966	74.50230638504492
1967	72.6126288042176
1968	70.52362859178342
1969	68.57159707478179
1970	66.64026054044538
1971	64.65053763440861
1972	62.34553643607806
1973	59.67204786633552
1974	56.89110054161054
1975	54.23765134469088
1976	51.57514337339932
1977	49.07954954491696
1978	47.11109985821349
1979	45.606799150106234
1980	44.58362214080602
1981	44.21695048725268
1982	43.89267316096584
1983	43.30598455598456
1984	42.73473674161058
1985	41.95278716415795
1986	40.9364673900307
1987	39.837360486520495
1988	38.93762183235868
1989	38.76453756691896
1990	39.827936377535885
1991	42.101962189767946
1992	42.88074431546455
1993	41.61164967407655
1994	40.18714059588451
1995	38.482957273163706
1996	36.77746063898352
1997	35.495642315595546
1998	34.571340671361185
1999	33.91041222282851
2000	33.30547295668247
2001	32.69930819294956
2002	32.11581222496929
2003	31.486177062683446
2004	30.806760494877956
2005	30.35682050664902
2006	30.248908882367836
2007	30.246212400607785
2008	30.254372251362447
2009	30.223437816561027
2010	29.792927775154194
2011	28.978823928818976
2012	28.2526109203056
2013	27.722303460761786
2014	27.35604453503043
2015	27.107392296521677
2016	26.904906619515966
2017	26.695389204192388
2018	26.448324446777356
2019	26.142851218534442
2020	25.62525113965443
2021	24.830743618201996
2022	24.01806182702327
2023	23.300076745970834