Year	% of working-age population
1960	78.79264189866132
1961	81.85792138023659
1962	83.72032056849017
1963	84.4797865575396
1964	84.58290008085491
1965	84.16817113886485
1966	83.27657913079442
1967	82.11604269683592
1968	80.7404603961618
1969	79.11299842033085
1970	77.23882841161965
1971	75.09773934058299
1972	72.6698791723994
1973	70.04174322732626
1974	67.3142864051845
1975	64.61381901073469
1976	62.256501327716215
1977	60.41403864836737
1978	58.93260404793155
1979	57.59208685771742
1980	56.5066783547026
1981	55.80210980445774
1982	55.405365397915475
1983	55.3298087475729
1984	55.35711318258022
1985	55.318594305966094
1986	55.26683715373702
1987	55.23489298707025
1988	55.260263599987645
1989	54.90078663612542
1990	54.92934922527441
1991	55.695629962552616
1992	57.064707309099724
1993	58.75430136312
1994	59.869108471461594
1995	60.31493844380576
1996	60.16314910198567
1997	59.791696482344314
1998	59.01467839577445
1999	57.72782619604602
2000	56.212028809666194
2001	54.82889489575561
2002	53.67935286152091
2003	52.626484273162674
2004	51.47769742654253
2005	50.08439410841946
2006	48.36450236016587
2007	46.39479323709443
2008	44.5128936427659
2009	43.06178599920175
2010	42.119335568941764
2011	41.659484488914295
2012	41.65872361233099
2013	41.982250909598065
2014	42.58083391551119
2015	43.43254109628971
2016	44.467403495948275
2017	45.59311140164721
2018	46.68927940889002
2019	47.773058548078076
2020	48.70159433985765
2021	49.62881949749767
2022	50.66152553200828
2023	51.72249002432612
