Year	% of working-age population
1960	92.14764500400354
1961	92.89061265198038
1962	93.46844270533462
1963	93.85828095124124
1964	94.17848718495763
1965	94.58030010678395
1966	94.99611394715669
1967	95.32606077861662
1968	95.57042182621426
1969	95.7483674600342
1970	95.83996190491187
1971	95.46654214430859
1972	94.67862912544733
1973	93.86484383901235
1974	93.01304523889226
1975	92.12766485973167
1976	91.19371485288411
1977	90.16458486523366
1978	89.00295047146466
1979	87.6688933810566
1980	86.14533053510723
1981	84.50966901809295
1982	82.86854493417084
1983	81.2151651521319
1984	79.51888187856179
1985	77.80293338315356
1986	76.02163916655424
1987	74.15311043096185
1988	72.29592420446417
1989	70.49768301286173
1990	68.69671902091356
1991	66.92698175958795
1992	65.33925433193275
1993	63.97993432079574
1994	62.76561138403125
1995	61.645429655571796
1996	60.56127673677756
1997	59.465412050910096
1998	58.40060257871984
1999	57.3633791180547
2000	56.354319110161846
2001	55.39287652643179
2002	54.44749086923299
2003	53.516211548560534
2004	52.5544193068732
2005	51.5438887489557
2006	50.52773650837338
2007	49.53264914080475
2008	48.582241834672516
2009	47.661905714098644
2010	46.73652829709684
2011	45.85738040350305
2012	44.99806173934248
2013	44.09067427836242
2014	43.15863823987804
2015	42.21373837052318
2016	41.30713731118754
2017	40.45454054219959
2018	39.60679400327448
2019	38.77351841832045
2020	38.019294982079906
2021	37.29178249246165
2022	36.48530576913161
2023	35.641161248803044