Year	% of working-age population
1960	10.898322669894519
1961	10.581764332557647
1962	10.370031978072179
1963	10.272656665167805
1964	10.24907302917943
1965	10.285464376590332
1966	10.418301679485168
1967	10.694772736079358
1968	11.032926689357145
1969	11.387444419323236
1970	11.733767917330272
1971	11.858811579481971
1972	11.697755295605438
1973	11.439038586640189
1974	11.171362986127283
1975	10.92002057348592
1976	10.646234186068199
1977	10.236597783767595
1978	10.074670743179679
1979	10.279833487511564
1980	10.502815539502873
1981	10.712191853485582
1982	10.917704087253497
1983	11.12570459147376
1984	11.347652023371564
1985	11.571749118495566
1986	11.782277677910542
1987	11.933938477054967
1988	11.968794396949228
1989	11.899683753769214
1990	11.80327868852459
1991	11.763042556199633
1992	11.789243102162565
1993	11.823039304473827
1994	11.740651650994971
1995	11.653870008768742
1996	11.669628855201255
1997	10.72201576346633
1998	9.818671312059546
1999	9.845478016261417
2000	9.840012131781476
2001	9.813215958467355
2002	9.780717651322943
2003	9.71676132226591
2004	9.628810270730956
2005	9.5480631276901
2006	9.464129865596089
2007	9.410830225169223
2008	9.396006991126647
2009	9.399660373589052
2010	9.422027651252998
2011	9.460347717487757
2012	9.503180166147455
2013	9.57368907001178
2014	9.679694111010123
2015	9.813420822665462
2016	9.973335757355391
2017	10.155230596175478
2018	10.38763844230082
2019	10.682970826987624
2020	11.0503812756204
2021	11.441470399158437
2022	11.85642693329774
2023	12.395818102061705