Year	% of working-age population
1960	6.54397807031907
1961	6.518666527432812
1962	6.537350664948638
1963	6.578205978126456
1964	6.613421687944971
1965	6.646612647305762
1966	6.685373791533918
1967	6.720997535473964
1968	6.759237465485945
1969	6.799308240679652
1970	6.832880775263739
1971	6.870261119659627
1972	6.911231998927861
1973	6.962092407656386
1974	7.035524896499101
1975	7.11534627074386
1976	7.191747037162387
1977	7.247816267105365
1978	7.2756104567453574
1979	7.300664301269605
1980	7.3160195997457125
1981	7.3126369975048355
1982	7.306651451736439
1983	7.296536360841698
1984	7.288650661529867
1985	7.293759107612332
1986	7.309801970688596
1987	7.336716023842749
1988	7.374580620816685
1989	7.430487511894998
1990	7.4973898684483515
1991	7.565788857973582
1992	7.644532131795389
1993	7.74088051863331
1994	7.834892472583346
1995	7.923651416559283
1996	8.009559409433702
1997	8.090342986422916
1998	8.180665303780778
1999	8.275366173480768
2000	8.366172931286135
2001	8.456702226811922
2002	8.546896012432242
2003	8.632468533126925
2004	8.703330123031957
2005	8.764796185425407
2006	8.832342941918354
2007	8.898963905514083
2008	8.957783626363137
2009	9.021216341398738
2010	9.09763740004688
2011	9.201733549063833
2012	9.33958735002416
2013	9.50678775939148
2014	9.714222325482726
2015	9.972343523977619
2016	10.256903708264637
2017	10.572436278876541
2018	10.913384883432762
2019	11.259332094789325
2020	11.590014477719523
2021	11.855688405991378
2022	12.117124756766383
2023	12.428780261943617