Year	% of working-age population
1960	8.713236179580333
1961	8.733661831184532
1962	8.734772786151836
1963	8.712798218562984
1964	8.679692268588376
1965	8.63891592815962
1966	8.591683964778262
1967	8.539162366767409
1968	8.480118824908834
1969	8.400325938572573
1970	8.30440408795707
1971	8.202201449024331
1972	8.093619279371373
1973	7.9756510746064615
1974	7.84698679818573
1975	7.705227757458164
1976	7.78956803064579
1977	8.115906918755549
1978	8.487903874994409
1979	8.588776222250093
1980	8.372864394605806
1981	8.105645818878509
1982	7.838659429348501
1983	7.623767955510531
1984	7.445797329143755
1985	7.277635840126064
1986	7.123953760563477
1987	7.019093936799736
1988	7.001857123561147
1989	7.098057755009131
1990	7.238092759190231
1991	7.3779261689932
1992	7.585889691719459
1993	7.88031785570997
1994	8.139945502476598
1995	8.286767018012682
1996	8.351333410158006
1997	8.371655494589342
1998	8.386383688979556
1999	8.485148402284153
2000	8.692885987735439
2001	8.942581613224656
2002	9.203864722291113
2003	9.424823008040311
2004	9.529409976065436
2005	9.489509990565267
2006	9.315392710362529
2007	9.0050622541957
2008	8.590651420894858
2009	8.202581043035773
2010	7.905713981431596
2011	7.691109370271458
2012	7.587236275502946
2013	7.5877711660846465
2014	7.6734215988667795
2015	7.828664176232721
2016	8.046476995364163
2017	8.312430578330538
2018	8.623747654772012
2019	8.9999538220457
2020	9.337817504708736
2021	9.683878870555695
2022	10.239793283856127
2023	10.963156951418277