Year	% of working-age population
1960	86.61252743966128
1961	88.62120872505812
1962	90.49927254591223
1963	92.12398337144407
1964	92.78048555781744
1965	92.67116483152579
1966	92.59891938359868
1967	92.58970774401706
1968	92.65239097752016
1969	92.80464314836566
1970	93.05510872695419
1971	93.4522453920478
1972	93.9474509759186
1973	94.4147789597735
1974	94.80655749732489
1975	95.11719692060556
1976	95.35224308875637
1977	95.51464145842591
1978	95.6062971446213
1979	95.60444552751733
1980	95.47346421147536
1981	95.14994242845415
1982	94.63839125405677
1983	93.97840891119306
1984	93.19228707133004
1985	92.31130073577701
1986	91.29126533361749
1987	90.24265376796637
1988	89.31693273647528
1989	88.52428212360486
1990	87.89340820043672
1991	87.40643353618776
1992	87.02008545306954
1993	86.72789719012789
1994	86.55151960391963
1995	86.52404110435741
1996	86.6288289400249
1997	86.77829038477523
1998	86.89180016582138
1999	86.9242941749793
2000	86.81555503259946
2001	86.59404389381157
2002	86.24714119331657
2003	85.7525905150406
2004	85.15576009892897
2005	84.4552361308812
2006	83.67868227006161
2007	82.84994068494055
2008	81.95296928213105
2009	80.98337901081828
2010	79.92498322714425
2011	78.75267195141433
2012	77.50454804674322
2013	76.2665077287481
2014	75.10700043393732
2015	74.05388217735045
2016	73.09856014868178
2017	72.21756087703619
2018	71.36729031086828
2019	70.5112561863405
2020	69.64188940878823
2021	68.75500626462046
2022	67.85274568908916
2023	66.93705909214547