Year	% of working-age population
1960	73.20094150380986
1961	73.2126331644177
1962	72.5201427098446
1963	71.89739368535734
1964	72.15875444878328
1965	73.21550047859564
1966	73.7524773020489
1967	73.51315643952641
1968	73.1702652361086
1969	73.0020829978179
1970	73.15407712053363
1971	73.2769883665442
1972	72.96882591254533
1973	72.58031322212554
1974	72.32264081304457
1975	72.15434330044307
1976	72.00482328349806
1977	71.74712961247806
1978	71.25176184940175
1979	70.72570887540907
1980	70.36384021501146
1981	70.01460362914463
1982	69.5246617579831
1983	68.89756165150698
1984	68.24082228095234
1985	67.4601829807979
1986	66.60359650534825
1987	65.81288457782331
1988	65.06060034211343
1989	64.14220630620312
1990	62.88381579252324
1991	61.4754424175303
1992	60.088519423121134
1993	58.626244776606654
1994	57.027195585867155
1995	55.308278351895254
1996	53.63941740937833
1997	52.17815032215203
1998	50.95819339519073
1999	49.92283824300384
2000	49.018442196020196
2001	48.17254535246246
2002	47.459975825544895
2003	47.031174925850195
2004	46.676884135631674
2005	46.08660656623707
2006	45.258063375829515
2007	44.85246685455916
2008	45.353664628810215
2009	46.533942984754624
2010	48.035432497015854
2011	49.51612181880088
2012	50.75270931762724
2013	51.73033317035234
2014	52.30954113290224
2015	52.618475963019385
2016	52.868369863238286
2017	53.015080015303454
2018	53.112781775131026
2019	53.141591588282964
2020	53.19132852950666
2021	53.23848465381653
2022	53.187262006665684
2023	53.081820686188465