Year	% of working-age population
1960	44.55763110930707
1961	44.75597932802672
1962	44.532382749810196
1963	44.16413331791303
1964	43.88305385699831
1965	43.724962236737724
1966	43.4084453416227
1967	43.001179966783496
1968	42.67266584015408
1969	42.27459159804875
1970	41.83281228965079
1971	41.349568133368955
1972	40.82661633057309
1973	40.22463338957087
1974	39.56435277113502
1975	38.841346629577956
1976	38.052759399794326
1977	37.25394282990963
1978	36.440558889323164
1979	35.63464574696621
1980	34.874635825454384
1981	34.19721930846998
1982	33.55565641006726
1983	32.89713970828379
1984	32.27493557809661
1985	31.69801732320497
1986	31.146890687380903
1987	30.653861340197214
1988	30.26219376507115
1989	29.92634362335631
1990	29.64139868226896
1991	29.403260279718847
1992	29.207816446729556
1993	29.029301962816533
1994	28.79920876662196
1995	28.514652104982602
1996	28.2132116545872
1997	27.929077468990386
1998	27.651258416534663
1999	27.379169823730617
2000	27.111748889810006
2001	26.835080201158995
2002	26.554592473927343
2003	26.274594444832598
2004	25.988672369223835
2005	25.706036719208395
2006	25.45326483294661
2007	25.24815882432449
2008	25.106310770242747
2009	25.006631675341954
2010	24.907373868599556
2011	24.841555807138437
2012	24.82704105677744
2013	24.838052653964322
2014	24.84219202382856
2015	24.81970350116839
2016	24.810782211908467
2017	24.812907078371246
2018	24.76257679642186
2019	24.670960606889654
2020	24.54590224891376
2021	24.3708591186743
2022	24.19832176989166
2023	23.97532208904551