Year	% of working-age population
1960	6.589996600608215
1961	6.453180811140752
1962	6.32050285597375
1963	6.194745395745648
1964	6.080328952513802
1965	5.9786722855612435
1966	5.886632680385807
1967	5.807258099819545
1968	5.7413239774479035
1969	5.6881204604570375
1970	5.6471280178672885
1971	5.617292087021472
1972	5.597445836882155
1973	5.587361531322917
1974	5.5868604851656105
1975	5.595081396173255
1976	5.61170513797605
1977	5.634045282193594
1978	5.656634014998366
1979	5.6762159031515305
1980	5.69159155585486
1981	5.7030483778682655
1982	5.711294570011471
1983	5.716211834284776
1984	5.717398933204801
1985	5.715048902049193
1986	5.708751694298212
1987	5.697925873613612
1988	5.683525832833042
1989	5.664988433241149
1990	5.640138511567665
1991	5.608662663734435
1992	5.572313931157638
1993	5.530569489194058
1994	5.4826632104801805
1995	5.43522116190229
1996	5.387333015479106
1997	5.335074782220437
1998	5.278252043714643
1999	5.2229322606604285
2000	5.173580361469233
2001	5.133125860750628
2002	5.102411151837474
2003	5.077983878013428
2004	5.053041098369184
2005	5.029875002111504
2006	5.005172234800921
2007	4.984131753731521
2008	4.972308321207215
2009	4.970386636072441
2010	4.981332220587267
2011	5.008125569250995
2012	5.0480528868187085
2013	5.094068632908766
2014	5.137078730480599
2015	5.178766631382514
2016	5.224997192798592
2017	5.272432898564384
2018	5.320133355575509
2019	5.3689938041944325
2020	5.418028674188634
2021	5.4644282130742345
2022	5.508798304783485
2023	5.551071055154333