Year	% of working-age population
1960	5.993267110172882
1961	6.057676145168596
1962	6.147004786656744
1963	6.247874229282725
1964	6.339591486658244
1965	6.409785328126888
1966	6.463575833223893
1967	6.50468982090539
1968	6.537688724764201
1969	6.569321667717085
1970	6.599566488760013
1971	6.6277875541338265
1972	6.6670769604705695
1973	6.719776575103398
1974	6.773242701717877
1975	6.825369465212253
1976	6.877658798917447
1977	6.921681202069192
1978	6.953304996204558
1979	6.976596394097436
1980	6.982039513429221
1981	6.968416957029807
1982	6.951404745438412
1983	6.935492157877283
1984	6.922263239089851
1985	6.915036695356204
1986	6.911341227731447
1987	6.912289008464835
1988	6.917883190085066
1989	6.927150866916541
1990	6.937247434931193
1991	6.959253913544821
1992	6.9934794284781665
1993	7.035066820259685
1994	7.078570776817659
1995	7.119308271862137
1996	7.161539502368249
1997	7.208817123671644
1998	7.256544115587131
1999	7.305307695923795
2000	7.354683939109601
2001	7.404624082002541
2002	7.461667545875943
2003	7.519423095060859
2004	7.5690378555766
2005	7.612117537179404
2006	7.650063710221158
2007	7.684408980454956
2008	7.72245854497387
2009	7.766415838419834
2010	7.814517487699109
2011	7.879290949494658
2012	7.962461698364562
2013	8.060559441362878
2014	8.192205871244534
2015	8.35684470778929
2016	8.536611152703772
2017	8.732125367401109
2018	8.949354079776727
2019	9.179157711194051
2020	9.380433178912664
2021	9.512761493182053
2022	9.629151724659604
2023	9.83325836927