Year	% of working-age population
1960	48.837799597162785
1961	48.62286859691103
1962	48.384057250948395
1963	48.14653125110399
1964	47.92487823811446
1965	47.70172533255529
1966	47.4539529105794
1967	47.20219672118492
1968	46.96131936873357
1969	46.762452493853054
1970	46.62733054261911
1971	46.577115962644136
1972	46.60040696394609
1973	46.730945070535114
1974	47.01088745653006
1975	47.376553334794316
1976	47.80930564584744
1977	48.282338917204974
1978	48.75948863259446
1979	49.240718521921984
1980	49.70243502347153
1981	50.10657786274144
1982	50.43371030750112
1983	50.68877518886599
1984	50.867451436243385
1985	50.9533946750644
1986	50.93524344119782
1987	50.819323693189425
1988	50.604501419790026
1989	50.29033070263213
1990	49.927311291620036
1991	49.53616225912382
1992	49.1015605803339
1993	48.64498788927028
1994	48.18544927039747
1995	47.72142615801363
1996	47.24401571576266
1997	46.75974457954493
1998	46.283857241658886
1999	45.83297762034486
2000	45.3949334436374
2001	44.93331379523166
2002	44.44315146728303
2003	43.93105661784163
2004	43.40662199513445
2005	42.870840458510784
2006	42.32174086494748
2007	41.77143916810249
2008	41.21172385963119
2009	40.656011243260934
2010	40.15840637781873
2011	39.74406506544453
2012	39.404140788237235
2013	39.11148584150088
2014	38.82323053061875
2015	38.54405232528663
2016	38.27869196885997
2017	37.97979041413717
2018	37.59789198523457
2019	37.138686448884144
2020	36.61066121304814
2021	36.032473524569106
2022	35.451207708387585
2023	34.864873251472126