Year	% of working-age population
1960	85.83027569159175
1961	86.14691975109393
1962	86.52389313578462
1963	87.01104917769852
1964	87.60229772032407
1965	88.16132458349921
1966	88.65183836728002
1967	89.12454881740771
1968	89.57581963851396
1969	90.02128062281876
1970	90.47638725055559
1971	90.94044934606238
1972	91.40287547508863
1973	91.79442285144319
1974	92.09310343937959
1975	92.37873260601945
1976	92.69119903094115
1977	92.9644161424013
1978	93.18470545998674
1979	93.42940288273364
1980	93.63380578009311
1981	93.8607482238104
1982	94.11166181724914
1983	94.30607494015568
1984	94.47280413976412
1985	94.61589572867351
1986	94.72159468069191
1987	94.82354051403054
1988	94.85303010262646
1989	94.80456039965364
1990	94.73986371557156
1991	94.63137409813595
1992	94.4841881897685
1993	94.33844186720519
1994	93.92975598295011
1995	93.39801193092593
1996	93.08867191763113
1997	92.77917651290878
1998	92.28393458833185
1999	91.72836303116914
2000	91.24393603573773
2001	90.79937080824381
2002	90.38019844229454
2003	89.9773101630705
2004	89.6017421476411
2005	89.29383428277917
2006	89.04493304471842
2007	88.81786761458928
2008	88.6099299739608
2009	88.41334102099299
2010	88.20379370015841
2011	87.9794821249531
2012	87.7632094224018
2013	87.5018673664056
2014	87.13449485559602
2015	86.68028937162275
2016	86.20398206160081
2017	85.68895210919247
2018	85.09877782740851
2019	84.45381051460011
2020	83.72550340608082
2021	82.93302603135183
2022	82.11313255219537
2023	81.25491735131207