Year	% of working-age population
1960	85.22294625217998
1961	86.14661418378058
1962	87.12693566159463
1963	87.94246914230071
1964	88.61349322736552
1965	89.3226688075164
1966	90.01024919306727
1967	90.68297965649641
1968	91.35149831275344
1969	92.02317820761237
1970	92.68335406845071
1971	93.33354812467026
1972	93.98686356945734
1973	94.60466699607379
1974	95.17195554820017
1975	95.74605721554852
1976	96.2482972515637
1977	96.58161707520811
1978	96.71157736878904
1979	96.55650365530742
1980	96.11470622290264
1981	95.48313740162048
1982	94.79397001310423
1983	94.04855759814765
1984	93.47894796361503
1985	93.18399796190562
1986	92.920930874438
1987	92.60081241288034
1988	92.23742772976114
1989	91.73312191113322
1990	91.08021986648446
1991	90.39226158224281
1992	89.7796531060857
1993	89.07275838746166
1994	88.42506150311134
1995	87.94408094254781
1996	87.44240988390472
1997	87.63632827515812
1998	87.6340977750294
1999	86.73482399636517
2000	84.35715050430065
2001	82.31304103261981
2002	82.06396478477184
2003	81.43126422459281
2004	80.26985937679672
2005	79.12892584232839
2006	78.07288553496713
2007	77.32730518594283
2008	77.19783528963184
2009	76.6379201251377
2010	76.20527851319866
2011	76.75288106407648
2012	77.64819133246218
2013	78.74734918491139
2014	79.64980926430518
2015	80.34268202311729
2016	80.71442980694222
2017	80.74747498804904
2018	80.58370908868844
2019	80.19873592847861
2020	79.59633939465712
2021	78.82370173078048
2022	77.84590582819519
2023	76.64391969834234