Year	% of working-age population
1960	3.8959228419705205
1961	3.6470282159835388
1962	3.42858407667279
1963	3.236770713149771
1964	3.058214849147012
1965	2.899625495939783
1966	2.7566364284268783
1967	2.6217228464419478
1968	2.4883301545837075
1969	2.3947267140317545
1970	2.354918397926538
1971	2.3440312708944093
1972	2.3494301161956463
1973	2.379307996848341
1974	2.4454226519416653
1975	2.5715813019311513
1976	2.512250011970696
1977	2.282047798771856
1978	2.077680426962724
1979	1.8840490797546012
1980	1.7123339658444023
1981	1.652922272594795
1982	1.6778305659355934
1983	1.6933571620469334
1984	1.6988986926574308
1985	1.6991356283841064
1986	1.6735265362285603
1987	1.624715719314574
1988	1.5771126022226882
1989	1.5329970805094093
1990	1.4939374305461135
1991	1.4618126761514485
1992	1.4375794205900885
1993	1.4196285751652398
1994	1.4037581310003915
1995	1.3834565986428249
1996	1.3448421292963757
1997	1.2923782856856387
1998	1.2426150085678689
1999	1.2004789673891558
2000	1.166795058177031
2001	1.138623440802596
2002	1.1111839391123637
2003	1.0801903760939082
2004	1.0421856220241534
2005	0.96379704588926
2006	0.7726009857883431
2007	0.5194658414946776
2008	0.31550871003010655
2009	0.19977399012203545
2010	0.20445021287366574
2011	0.28913743998421126
2012	0.38765199555177815
2013	0.502447829633953
2014	0.6364553250135412
2015	0.7928266843164061
2016	0.9757777477542054
2017	1.1913231846240042
2018	1.4476775359679321
2019	1.7550383283637143
2020	1.9830708926220235
2021	2.116058234712103
2022	2.205183715503537
2023	2.249885378678685