Year	% of working-age population
1960	85.77039491241888
1961	87.00467018479668
1962	88.51363299228339
1963	90.37646564464488
1964	92.29303573964278
1965	95.1065924834396
1966	99.39945171316712
1967	104.13473556630095
1968	108.74820583014848
1969	113.1026616926521
1970	117.11649625341025
1971	120.72740224433393
1972	123.31462388234237
1973	122.89587746943849
1974	120.56089331652056
1975	117.97951687366013
1976	114.76423421050758
1977	111.1473941814545
1978	107.18688740860485
1979	102.96355698890332
1980	98.69258208834107
1981	94.69953102164207
1982	91.24344724147241
1983	88.36913085126695
1984	85.99312077157559
1985	84.1143450530483
1986	82.71674627436913
1987	81.62027121826296
1988	80.45653880032361
1989	79.01094209510022
1990	77.37499031906276
1991	75.58953508498072
1992	73.66553437622831
1993	71.62569273782677
1994	69.51867946759701
1995	67.50052464857393
1996	65.67882876983779
1997	63.9880058365173
1998	62.35367360176273
1999	60.69359423866535
2000	59.114533817003704
2001	57.75321872820057
2002	56.54416509214841
2003	55.489371586439376
2004	54.65790458331611
2005	54.0223868567248
2006	53.28802125421529
2007	52.53070538837788
2008	51.90683210877717
2009	51.40168517393532
2010	51.1023720462888
2011	54.66181196893933
2012	58.647707800667035
2013	57.85733915893761
2014	57.1985707730303
2015	56.752267910646495
2016	56.20444489974334
2017	55.390650923267245
2018	54.32240352279841
2019	53.16333185122768
2020	51.98685601461133
2021	50.78086050579246
2022	49.606030146780924
2023	48.539519141175965
