Year	% of working-age population
1960	7.498263253430541
1961	7.759227925958738
1962	8.59426907363689
1963	10.009589447468455
1964	10.794440064951253
1965	10.66053236937233
1966	10.286398320274493
1967	9.925910258723118
1968	9.581372365875852
1969	9.258365274441491
1970	8.96007609881655
1971	8.695278601194312
1972	8.519498411008657
1973	8.440218761415261
1974	8.39949343654479
1975	8.368892225071411
1976	8.339163285294529
1977	8.29983823106162
1978	8.254594794621932
1979	8.212861967095463
1980	7.9355669476906625
1981	7.460162446704619
1982	7.057371531154162
1983	6.722334179516253
1984	6.454693708385515
1985	6.252648679191976
1986	6.11175533940254
1987	6.021773548288248
1988	5.970979808038292
1989	5.954729263240951
1990	5.961447896198379
1991	5.984988201563998
1992	6.026623412942558
1993	6.086531507546075
1994	6.165118223259776
1995	6.315935805749062
1996	6.549476431936152
1997	6.823722328505057
1998	7.124215178353264
1999	7.438022219391531
2000	7.76080998679952
2001	8.08439639663172
2002	8.405316673572818
2003	8.750432610912085
2004	8.943144305226602
2005	8.983096600818326
2006	9.049449495070643
2007	9.1203580213983
2008	9.181240994763783
2009	9.243571091822538
2010	9.319403718053774
2011	9.393172699815173
2012	9.442823398638321
2013	9.468288820888203
2014	9.50466227218596
2015	9.600247116091305
2016	9.770552785469219
2017	10.002670697778134
2018	10.263158568462446
2019	10.508782785487883
2020	10.760813507635044
2021	10.967556067724491
2022	11.138905955898846
2023	11.426106666215599