Year	% of working-age population
1960	69.34711841129264
1961	69.52613446188714
1962	69.54134812105168
1963	69.38807176534182
1964	69.11957537448662
1965	68.72444267539169
1966	68.19923561517882
1967	67.62395596062264
1968	67.01635096878206
1969	66.3355750373866
1970	65.51778427444982
1971	64.5522421343126
1972	63.50121271643783
1973	62.398521283152675
1974	61.21850309283449
1975	59.98439723325587
1976	58.73983530808397
1977	57.49971323336438
1978	56.28899974249282
1979	55.09417562668622
1980	53.92404193905278
1981	52.82992752372449
1982	51.8046968446803
1983	50.83309189294168
1984	49.947095833548325
1985	49.1626513347383
1986	48.47387053671499
1987	47.86916148920171
1988	47.345568488640446
1989	46.91831292992445
1990	46.57103483962685
1991	46.264901000075135
1992	45.93444816446854
1993	45.550810188535564
1994	45.13409608013687
1995	44.664504262981225
1996	44.1258020196659
1997	43.512077858646414
1998	42.810224456075545
1999	42.01044369729171
2000	41.12082879996771
2001	40.1705786197956
2002	39.17308302139013
2003	38.113448826815
2004	36.987013619679495
2005	35.82930184714278
2006	34.6925312621055
2007	33.65768268854463
2008	32.75562346692588
2009	31.95513168205811
2010	31.25344036864066
2011	30.63886808845827
2012	30.1005632528195
2013	29.64736710908914
2014	29.271522094189216
2015	28.952881568641704
2016	28.60807114503207
2017	28.153807877024928
2018	27.67306885510441
2019	27.26571395015277
2020	26.989523921754362
2021	26.80285096642589
2022	26.684111055093236
2023	26.593892653224767