Year	% of working-age population
1960	6.141648689303437
1961	6.450760549972172
1962	6.984995960301046
1963	7.48032973135848
1964	7.859326947061236
1965	8.125571474119962
1966	8.124064653483984
1967	7.8892469486947325
1968	7.638544963999595
1969	7.379422006263135
1970	7.126510065587288
1971	6.889286005013849
1972	6.670036568592486
1973	6.464549752942348
1974	6.2689159001270784
1975	6.278335464971282
1976	6.54335366399371
1977	6.634781028358888
1978	6.495103377067999
1979	6.3534814223693585
1980	6.221914736829747
1981	6.104063033443739
1982	6.0028070253830705
1983	5.919246460317088
1984	5.85283112580384
1985	5.803843514284706
1986	5.771235512779707
1987	5.7557294656142055
1988	5.755544591390992
1989	5.758463917495611
1990	5.75963580360482
1991	5.76803565939996
1992	5.783223373150211
1993	5.797360225231414
1994	5.80754740173503
1995	5.81013595804685
1996	6.0463770787895985
1997	6.525538885743853
1998	6.786582443410298
1999	6.8212708838561715
2000	6.853525792624858
2001	6.888713542267405
2002	6.92572148685303
2003	6.96152517599839
2004	6.994514919662633
2005	7.032797786495294
2006	7.065703440724238
2007	7.084039014161051
2008	7.0964190927798265
2009	7.114115970287356
2010	7.146048389196234
2011	7.200672117540788
2012	7.2892270389633556
2013	7.428022161780589
2014	7.629553167056913
2015	7.887966298381544
2016	8.186477391544912
2017	8.506599588798743
2018	8.843218840719977
2019	9.19556872158788
2020	9.500951424706127
2021	9.796227722635548
2022	10.144340088382368
2023	10.499267744821262