Year	% of working-age population
1960	91.88054266752805
1961	92.31758920402562
1962	92.81276986934841
1963	93.31342473191259
1964	93.6161776367962
1965	93.8090214342691
1966	93.8253351710312
1967	94.25656620153518
1968	95.0815322269394
1969	95.56156840406342
1970	95.61331871106236
1971	95.26526870631375
1972	94.51663669064749
1973	93.43070517480669
1974	92.20202281598414
1975	90.99312033089943
1976	89.77251596107358
1977	88.10147133434805
1978	86.15209079808636
1979	84.43362621705059
1980	82.86694101508917
1981	81.4004546426004
1982	79.94410177332306
1983	78.50651462681998
1984	77.21656147821459
1985	76.18525104998297
1986	75.46447365939227
1987	74.60947743023037
1988	73.63757692592867
1989	72.97913830530925
1990	72.61974512963234
1991	72.46932515337423
1992	72.43478736396945
1993	72.41347921862769
1994	72.33752544344286
1995	72.23965607937745
1996	71.99080775911986
1997	71.10365733350075
1998	69.82464211774283
1999	68.75120194408993
2000	67.97321150451666
2001	67.53240065230453
2002	67.42380286016586
2003	67.60936809544852
2004	67.95188887006607
2005	68.28045053107955
2006	68.51191277426302
2007	68.2670906200318
2008	67.56981382978722
2009	66.89410209813316
2010	66.28825839097078
2011	65.9021331630732
2012	65.59384464271098
2013	65.1659778258873
2014	64.77539816899788
2015	64.22069692031668
2016	63.491410518001715
2017	62.719521611276306
2018	61.80051452635718
2019	60.80156721900253
2020	59.70467888276107
2021	58.50109182486173
2022	57.54979484680322
2023	56.88822643501483