Year	% of working-age population
1960	55.295803884742746
1961	54.570219389988814
1962	53.87048842448353
1963	53.31349487506495
1964	52.90667907842681
1965	52.77165932452276
1966	52.73699474352003
1967	52.70803443328551
1968	52.86329912479453
1969	53.078041686863784
1970	52.838408922580925
1971	52.17372644950861
1972	51.55232213856695
1973	51.018108987732624
1974	50.549903200560195
1975	50.09560229445506
1976	49.5260663507109
1977	48.728813559322035
1978	47.669301764087386
1979	46.53768210147975
1980	45.44771634615385
1981	44.29852067731582
1982	43.07603144130112
1983	41.860713522751546
1984	40.80945533616245
1985	40.00900090009001
1986	39.36181127945552
1987	38.786814374493375
1988	38.32043756670224
1989	38.0961791831357
1990	38.16380449141347
1991	38.386662175816774
1992	38.591956993693785
1993	38.685744568097505
1994	38.576969081880456
1995	38.272597682663836
1996	37.96349942062572
1997	37.83599497577606
1998	37.93754228536837
1999	38.00537178399774
2000	37.91018696487856
2001	37.702265372168284
2002	37.47752637470742
2003	37.18925421010425
2004	36.64377936200269
2005	35.897768973468
2006	35.206985769728334
2007	34.76968796433878
2008	34.628208863423005
2009	34.55815464587395
2010	34.37245512883156
2011	34.123099014424646
2012	33.87540082455337
2013	33.84306761378584
2014	34.02232601278612
2015	33.844273396980604
2016	33.652244897959186
2017	33.622524672644005
2018	33.53375326080041
2019	33.62231436110064
2020	33.62178592475419
2021	33.645233771430334
2022	33.7609723160027
2023	33.77613173762664