Year	% of working-age population
1960	94.8616183847208
1961	95.46448199828869
1962	95.9819968709725
1963	96.16708554951585
1964	96.00008470310992
1965	95.71146173317008
1966	95.39528207870408
1967	95.04941689715936
1968	94.6708049129645
1969	94.24381740351677
1970	93.7463430558869
1971	93.15232432596828
1972	92.46858584454117
1973	91.72072008076844
1974	90.92011581525803
1975	90.0619445048492
1976	89.12948406937282
1977	88.1287633070638
1978	87.08335566950169
1979	85.98813289746283
1980	84.84574537695073
1981	83.691636695038
1982	82.52704123792776
1983	81.35188691363126
1984	80.19388214017253
1985	79.08445520213763
1986	78.0444018359588
1987	77.05857902924184
1988	76.1287940485928
1989	75.2633709281615
1990	74.44672814632519
1991	73.68026113444087
1992	72.98945473772837
1993	72.35824002085732
1994	71.73461196900328
1995	71.08735342419374
1996	70.41163877347023
1997	69.713658835543
1998	68.99577818494784
1999	68.24563772071653
2000	67.44216177106539
2001	66.57356041921153
2002	65.65487977906952
2003	64.71471904706769
2004	63.78049391434658
2005	62.865300815023616
2006	61.97041604560357
2007	61.11421742034295
2008	60.31014813829396
2009	59.55262219475729
2010	58.83793324404678
2011	58.165531611404106
2012	57.510507476770236
2013	56.84804343824958
2014	56.17001458259344
2015	55.46510806407705
2016	54.7336903843761
2017	53.99096377902881
2018	53.12248649218741
2019	52.29278093824964
2020	51.5935313773705
2021	50.919969937668064
2022	50.424629292848856
2023	50.0659233032566