Year	% of working-age population
1960	88.37864623120198
1961	89.48497405737051
1962	90.39876447532686
1963	91.18737944489193
1964	91.71305414095163
1965	92.0628110031246
1966	92.39908929671383
1967	92.65354758514289
1968	92.76251751485827
1969	92.76805626918897
1970	92.7336983075922
1971	92.67683960899521
1972	92.61337717173912
1973	92.50021469126376
1974	92.29260134323044
1975	92.19619991434996
1976	92.28904092005763
1977	92.18541797310385
1978	91.88117000434787
1979	91.61947064354271
1980	91.37990831628898
1981	90.70837102200603
1982	90.10946655903139
1983	89.97707946254614
1984	89.82113166621555
1985	89.63295886830188
1986	89.41600864111088
1987	89.15131581024009
1988	88.79339180764093
1989	88.25362838868259
1990	87.26643542847557
1991	85.94696804851573
1992	84.89670324976066
1993	84.04543203056409
1994	82.87288043456155
1995	81.09086656757668
1996	79.0933149031453
1997	76.9070157887201
1998	74.6248237325039
1999	72.3651880483748
2000	70.16433538934511
2001	68.06072739382986
2002	66.19532595800653
2003	64.46761218978017
2004	62.8015856558661
2005	61.30905095835518
2006	59.87397574625133
2007	58.52176774271327
2008	57.56953266017196
2009	56.97994051071666
2010	56.59692918043938
2011	56.55476243580864
2012	56.81772120600636
2013	57.290024224596166
2014	57.89186226414724
2015	58.420355757858246
2016	58.704795996952534
2017	58.83894125085982
2018	58.873839983706
2019	58.748648977193405
2020	58.526879261368855
2021	58.20337122958119
2022	57.741881245699865
2023	57.188500286555524