Year	% of working-age population
1960	75.43344678627719
1961	76.16340727667722
1962	77.94883321025048
1963	80.13945290477984
1964	82.13681802498967
1965	84.22927395496859
1966	86.16181022985664
1967	87.6392847888054
1968	88.79411060007035
1969	89.97285539912146
1970	91.61533376234172
1971	93.6141759756565
1972	96.27290661429393
1973	99.57684086705402
1974	102.44956652982937
1975	104.86146537670396
1976	106.66030347663028
1977	107.02785350132163
1978	106.41898827587417
1979	105.65934054833764
1980	104.88362555434357
1981	104.19741534716911
1982	103.48812301147102
1983	102.64259912483067
1984	101.66205276775575
1985	100.56652856214747
1986	99.38209435503775
1987	98.17735073554064
1988	97.01707357609149
1989	95.80867752674682
1990	94.58654886966916
1991	93.52680326323133
1992	92.63848272022194
1993	91.86755643570815
1994	91.18242238435195
1995	90.50170424195379
1996	89.814888806181
1997	89.1635708752347
1998	88.56295381176527
1999	87.93617877718383
2000	87.29260071740268
2001	86.65638743525835
2002	86.00130195668262
2003	85.33845356230944
2004	84.66875333879584
2005	83.90677818550277
2006	83.03319495795137
2007	82.10280293668217
2008	81.13924173838089
2009	80.20757668093519
2010	79.41709098465282
2011	78.85260563472475
2012	78.35288356529155
2013	77.81637732044113
2014	77.23700506719588
2015	76.52222656228999
2016	75.71716278980854
2017	74.88385704259855
2018	74.01098818186136
2019	73.08819329465803
2020	72.0832759311099
2021	71.03002930292726
2022	69.89599778726495
2023	68.68731971032432