Year	% of working-age population
1960	82.87131305152536
1961	84.57935714276023
1962	86.4086798519642
1963	88.35439435968794
1964	90.50989589314894
1965	92.51689973189305
1966	94.25157989748078
1967	95.90135250022439
1968	97.39762370815495
1969	98.66073582791364
1970	99.90431964003497
1971	100.64773916585514
1972	100.3154511584167
1973	99.46856736361987
1974	98.55777313867794
1975	97.66224538666151
1976	96.80679633685071
1977	95.91174563665166
1978	95.00121192169631
1979	94.18881118543452
1980	93.45487556950425
1981	92.85551817764201
1982	92.42985259269359
1983	92.14731248319667
1984	92.06874109198196
1985	92.24046646933522
1986	92.66277533844635
1987	93.2454270702982
1988	93.83097531657582
1989	94.37297866187374
1990	94.86309414964506
1991	95.36210559948877
1992	95.79931872884977
1993	96.19552876669783
1994	96.56333268552173
1995	96.70439876312624
1996	96.64826970686818
1997	96.47590112330099
1998	96.20362354923967
1999	95.90987487051058
2000	95.5754123244731
2001	95.21815658278105
2002	94.87001741200297
2003	94.52198655973238
2004	94.20350190953619
2005	93.9476654289527
2006	93.75989648886485
2007	93.6282113622307
2008	93.57642649078417
2009	93.58134546488192
2010	93.5865714749235
2011	93.564316856464
2012	93.54450350124925
2013	93.5357206512902
2014	93.50197258566001
2015	93.44741304855862
2016	93.29058074992092
2017	93.01348887566293
2018	92.69857202273673
2019	92.31355960966877
2020	91.92596409128213
2021	91.47394840691122
2022	90.89501950440442
2023	90.23393397087244