Year	% of working-age population
1960	77.65419121864026
1961	78.4643733337115
1962	79.36759719144898
1963	80.30778631075755
1964	81.26198489167089
1965	82.28902676554239
1966	83.38168441079206
1967	84.53152331616191
1968	85.69558527636406
1969	86.85318146135921
1970	87.94578536777888
1971	88.88915468646394
1972	89.26086838877923
1973	88.97330917702106
1974	88.36019874357034
1975	87.44050965341863
1976	86.25523104767005
1977	84.85863851584186
1978	83.3139048515724
1979	81.69276814419189
1980	80.07066242950025
1981	79.05744858639007
1982	78.64975704437155
1983	78.33661133085971
1984	78.11415661731687
1985	77.95608608037597
1986	77.8404139042631
1987	77.70742458838117
1988	77.55079710646257
1989	77.35714189833148
1990	76.95264262708976
1991	76.31684261181194
1992	75.59497790607594
1993	74.87053060939462
1994	74.16984086228976
1995	73.4747972951454
1996	72.8066975313993
1997	72.1774282237666
1998	71.54869414938373
1999	70.92625565682596
2000	70.32099031080115
2001	69.6895549125529
2002	69.02833098145261
2003	68.36059802672366
2004	67.67812184489206
2005	66.9886737696328
2006	66.31645670680763
2007	65.65142540354557
2008	64.97084251162043
2009	64.28154755658487
2010	63.611755358723784
2011	62.958189789796734
2012	62.292540837567365
2013	61.61137373942438
2014	60.911485061985395
2015	60.18631730180306
2016	59.43642204254844
2017	58.65671887828109
2018	57.857917135756686
2019	57.05991249594182
2020	56.27266780977198
2021	55.498263495731806
2022	54.73647269688494
2023	53.97105055448701