Year	% of working-age population
1960	65.42981045433274
1961	67.97028415037099
1962	69.03505438561433
1963	69.4174985444271
1964	69.248308606558
1965	68.68919445015898
1966	67.90666355482105
1967	66.95512693602296
1968	65.81159111745778
1969	64.54070222077573
1970	63.35398430005783
1971	62.243138276135504
1972	60.99935541207701
1973	59.545821905277094
1974	57.989925264436025
1975	56.420448828247636
1976	54.908859125867934
1977	53.553904825142325
1978	52.37522905838938
1979	51.42816432438918
1980	50.711614485223244
1981	50.2221889496114
1982	49.97607213123247
1983	49.95290903954102
1984	50.12470299622168
1985	50.37024445366559
1986	50.511794836176946
1987	50.509754721996536
1988	50.42067691632014
1989	50.435580739934316
1990	50.48048480072481
1991	50.355905642899934
1992	50.17065054827038
1993	49.93887104622871
1994	49.698562094963805
1995	49.369094694192036
1996	48.447406273688536
1997	46.962087397405476
1998	45.311615621659016
1999	43.92318727064925
2000	42.69466408282654
2001	41.24342937971714
2002	39.76398860272156
2003	38.3839419135599
2004	37.2286961536074
2005	36.33916170695268
2006	35.72070381888734
2007	35.39912505465337
2008	35.366202829368035
2009	35.54209249189357
2010	35.9046121676635
2011	36.53089639584678
2012	37.424126552898834
2013	38.4743081247334
2014	39.647781023569905
2015	40.907889730277574
2016	42.189184246479556
2017	43.4103586559582
2018	44.52897725640805
2019	45.54647382484246
2020	46.48507487921702
2021	47.23880856386707
2022	47.62440682733157
2023	47.66414752687804