Year	% of working-age population
1960	56.952605503745126
1961	56.95554860189884
1962	56.93272829906417
1963	56.909856441984275
1964	56.905323696704215
1965	56.90097805294803
1966	56.87918971968049
1967	56.85656521209294
1968	56.83453178829665
1969	56.83612101544051
1970	56.903167972405136
1971	57.05560775964326
1972	57.26989747946251
1973	57.594506770074446
1974	58.07665245433
1975	58.661829307221666
1976	59.33007238144737
1977	60.05141530796491
1978	60.786241601197865
1979	61.514286221190225
1980	62.2017961956712
1981	62.812002940433906
1982	63.32081270207397
1983	63.737942936728246
1984	64.06870205035575
1985	64.30707205685036
1986	64.4544916009722
1987	64.51694166305263
1988	64.49182147275205
1989	64.37483069131295
1990	64.21327139740835
1991	64.03737082076056
1992	63.81940469466861
1993	63.55885248414521
1994	63.28026026977722
1995	62.97481024379222
1996	62.62684916126873
1997	62.2400368111599
1998	61.84009857305621
1999	61.46079496632863
2000	61.08797248968626
2001	60.685565292786
2002	60.25456027193298
2003	59.782935240601944
2004	59.30179888928543
2005	58.83845815570954
2006	58.375028443984846
2007	57.905136563447165
2008	57.43355954291703
2009	56.99637148604684
2010	56.62561261119391
2011	56.35466687806247
2012	56.19227832128281
2013	56.08687235710963
2014	55.97327624115718
2015	55.864459242722596
2016	55.75436212143149
2017	55.611239104605325
2018	55.407173622334646
2019	55.135308862401665
2020	54.7600781645305
2021	54.2701483886344
2022	53.7791066729999
2023	53.35937458397342