Year	% of working-age population
1960	77.26760257723384
1961	76.82737704675623
1962	76.99618609586518
1963	78.24791245844858
1964	79.27257959323471
1965	79.56144477150556
1966	79.56363260656434
1967	79.03499364192864
1968	78.4745069467798
1969	78.11207504167223
1970	77.54446608338749
1971	77.03880043027375
1972	76.29465185279977
1973	75.5524613296042
1974	75.3585482466756
1975	75.30442250410958
1976	75.16132521717903
1977	74.05192130134375
1978	71.48902217254188
1979	68.94822387213739
1980	66.91546076102566
1981	65.10531387650938
1982	63.685675178294794
1983	62.12822983663032
1984	60.38455255121319
1985	58.848446335145404
1986	57.5829160445122
1987	56.67319912030044
1988	55.92441558376752
1989	55.36768845298019
1990	55.13299516374504
1991	54.89429964861894
1992	54.54123103781414
1993	54.199510652006936
1994	53.71759344584189
1995	53.067511614313005
1996	52.24651617418026
1997	51.20398373666649
1998	50.17981942290935
1999	49.21586929957631
2000	48.184174500981776
2001	47.044320398019025
2002	45.762342664339315
2003	44.53953690144119
2004	43.40313960497861
2005	42.24586100888012
2006	41.339283055492466
2007	40.75740238401831
2008	40.30654267964198
2009	39.99176671814673
2010	39.8047878223659
2011	39.78274785409834
2012	39.9896998727422
2013	40.35747755475838
2014	40.85629167897341
2015	41.450676531335986
2016	42.10501192044194
2017	42.91171205412797
2018	43.70231002123134
2019	44.38208990574902
2020	44.97911120728657
2021	45.368413706242606
2022	45.63212022534379
2023	45.85521663294894