Year	% of working-age population
1960	72.99257790523859
1961	74.00689620895511
1962	75.17103693391921
1963	76.48291397615168
1964	77.86057624844393
1965	79.3136753826188
1966	80.75315524427185
1967	81.98948904216401
1968	82.91445840069451
1969	83.53585719881485
1970	83.93681213989015
1971	84.12111644785723
1972	84.10024784805893
1973	83.91438783255339
1974	83.55517180555563
1975	83.02974982855244
1976	82.37523524762062
1977	81.60755935326775
1978	80.76249463746925
1979	79.8497905327271
1980	78.85413593267633
1981	77.76617121729676
1982	76.62560996980362
1983	75.46261996474274
1984	74.25392783121372
1985	72.94772070919461
1986	71.54543489666771
1987	70.13516232650193
1988	68.75697680559186
1989	67.42268156594136
1990	66.10560059672585
1991	64.83208771484685
1992	63.607783068833015
1993	62.388676875627816
1994	61.203328688148304
1995	60.0720832745774
1996	59.012216262366024
1997	58.0130675291321
1998	57.053294925541366
1999	56.13451542162823
2000	55.33585209622445
2001	54.702119606161936
2002	54.14472668004638
2003	53.60213931831795
2004	53.08369036539645
2005	52.64591976388983
2006	52.26694128272632
2007	51.94440274594248
2008	51.67573169798757
2009	51.383362138504054
2010	51.058104263743445
2011	50.736531558540165
2012	50.41081962825028
2013	50.058791253998095
2014	49.71880324786391
2015	49.39038616951103
2016	49.06761304297043
2017	48.77080053319011
2018	48.505984725116804
2019	48.27178316008468
2020	47.99128823116427
2021	47.61480362895348
2022	47.196606961056666
2023	46.85728748452658