Year	% of working-age population
1960	84.91644939559137
1961	85.29264852794265
1962	84.96262261079983
1963	84.57361279584755
1964	84.20237123528354
1965	83.87276558145858
1966	83.5470745430862
1967	83.17796666357259
1968	82.6833682730244
1969	81.97493363283644
1970	80.99162185819682
1971	79.6791378658767
1972	77.88241527975144
1973	75.62491781329572
1974	73.17084558995191
1975	70.6730604163567
1976	68.19855217680106
1977	65.7965966321301
1978	63.50259569918547
1979	61.36710905439623
1980	59.4393167548007
1981	57.76518167054103
1982	56.36009458628916
1983	55.22967435842139
1984	54.41998495843242
1985	53.92392049348869
1986	53.702566374354376
1987	53.655814708478324
1988	53.708471504191465
1989	53.87144742078036
1990	54.10704822469528
1991	54.37566816335257
1992	54.636007091817554
1993	54.792375108612866
1994	54.84679128926575
1995	54.862837571088654
1996	54.82280235769691
1997	54.724728624222195
1998	54.59652652192057
1999	54.453208082240344
2000	54.24679948837906
2001	53.89670017769191
2002	53.328111835000655
2003	52.57909653536931
2004	51.788885495492444
2005	51.0374035834586
2006	50.539319136236706
2007	50.39986636319976
2008	50.46000247534964
2009	50.61494117285027
2010	50.84601339013999
2011	51.07725592716127
2012	51.241050119331746
2013	51.431412313689975
2014	51.67277927485334
2015	51.879518535609904
2016	51.93650914489085
2017	51.76278862643662
2018	47.727567727938585
2019	45.710821741584994
2020	46.972283876842525
2021	47.0175607873408
2022	47.2801539609599
2023	47.7349479447675
