Year	% of working-age population
1960	71.0925061979707
1961	70.34262311457397
1962	69.57230233492567
1963	69.09364818498976
1964	68.92624160088378
1965	69.09244017059191
1966	69.58299210102238
1967	70.0765867844464
1968	70.5558050192087
1969	71.01579151327262
1970	71.47348687419561
1971	71.93634859978326
1972	72.40356247336172
1973	72.87450045120536
1974	73.33340282917574
1975	73.77672593401702
1976	74.20348577679452
1977	74.60334828755882
1978	74.96344270537818
1979	75.29816493240402
1980	75.62006788842685
1981	75.92122062522913
1982	76.19544533791665
1983	76.41062124168849
1984	76.55279682898683
1985	76.62874599396517
1986	76.64348902399068
1987	76.59269788064577
1988	76.47388162233459
1989	76.2839702706942
1990	76.1001791234977
1991	75.87533715980416
1992	75.46175718224437
1993	74.84124038858387
1994	74.07389502762432
1995	73.12618233318277
1996	72.0003049497993
1997	70.67451906741955
1998	69.1397117668929
1999	67.50873576816826
2000	65.73189404604113
2001	63.65743557813407
2002	61.32745797054875
2003	58.79012656105943
2004	56.08075447377166
2005	53.63469271651342
2006	51.73549453307383
2007	50.046286224756656
2008	48.39275608375778
2009	46.85166178612359
2010	45.44490397341639
2011	44.179196164043454
2012	43.07745835324497
2013	42.11538858073695
2014	41.17962303218538
2015	40.15985414009428
2016	39.06882949875047
2017	37.80697983354054
2018	36.34833960126094
2019	34.84488434047355
2020	33.3982645001709
2021	32.08890658654455
2022	30.924872514774364
2023	29.873703607788837