Year	% of working-age population
1960	75.79092818228978
1961	76.47592818527517
1962	77.27773107432706
1963	78.20285065350761
1964	79.2525981585406
1965	80.26009864243782
1966	81.14323051644726
1967	81.9177844561923
1968	82.5651998019337
1969	83.09084530655615
1970	83.5145671294894
1971	83.91589438007139
1972	84.27888878675947
1973	84.54110587955844
1974	84.72332459436882
1975	84.82098151454203
1976	84.85258319996828
1977	84.82957053410395
1978	84.8112415033365
1979	84.7297845080192
1980	84.28047125680496
1981	83.76804737006299
1982	83.65593697076226
1983	83.91559744201128
1984	84.39061467337545
1985	84.74337589913857
1986	84.92825251538802
1987	85.08748517489651
1988	85.20505726199374
1989	85.25763172737572
1990	85.21789921844626
1991	85.1117315148664
1992	85.21777262906636
1993	85.18992470707714
1994	84.81766790396898
1995	84.28198323115834
1996	83.53170833998571
1997	82.67538539312778
1998	81.72891588271953
1999	80.77486115101024
2000	79.73929780129544
2001	78.72962682510139
2002	78.01523983356586
2003	77.4340501726223
2004	76.79543914877773
2005	76.16324706177191
2006	75.55031590737237
2007	74.97516805279186
2008	74.48040369060548
2009	74.00830580618212
2010	73.5222895756441
2011	73.10811441616079
2012	72.83583889443933
2013	72.63020869118444
2014	72.37414711796599
2015	72.07357033141456
2016	71.73799342002346
2017	71.26582727314171
2018	70.68287596029359
2019	70.07500510699856
2020	69.39917862310006
2021	68.65707683823358
2022	67.81926789731003
2023	66.87152953112648