Year	% of working-age population
1960	79.57177374530431
1961	78.15700379704315
1962	78.05306312378913
1963	79.88139525008773
1964	81.57569985971931
1965	82.23168119837251
1966	82.41039119917536
1967	81.78308475330664
1968	81.16693427878063
1969	80.96197912719141
1970	80.52402717962994
1971	80.18820813172617
1972	79.48117707629837
1973	78.83123851910759
1974	79.06412320367446
1975	79.506480828519
1976	79.76281583946815
1977	78.43501146406483
1978	74.76929257075608
1979	71.05708959952541
1980	68.10963561733857
1981	65.52560721872015
1982	63.580339191406345
1983	61.37640716510049
1984	58.807945964938725
1985	56.57888329928845
1986	54.79317047290796
1987	53.58566845116258
1988	52.64233564214374
1989	52.00635389684047
1990	51.93035473505786
1991	51.8628983790976
1992	51.60332978416244
1993	51.39483877594999
1994	51.00996197705402
1995	50.420393761166
1996	49.63935735019189
1997	48.58040238753327
1998	47.63393163264947
1999	46.83160748425236
2000	45.88855610822424
2001	44.727394127242846
2002	43.28138458822234
2003	41.84222640349756
2004	40.463903751639336
2005	39.031988786299934
2006	38.00775922314628
2007	37.51348936705405
2008	37.2240232164871
2009	37.10396049670794
2010	37.11989068449968
2011	37.27426742487773
2012	37.65673228481114
2013	38.212545902084294
2014	38.877395999646055
2015	39.619217719490926
2016	40.45789746210142
2017	41.544891677893226
2018	42.59355638853679
2019	43.438327753344346
2020	44.14078324173063
2021	44.54590463368099
2022	44.86239929819295
2023	45.04222011631409