Year	% of working-age population
1960	4.8566953172493665
1961	4.861221696671817
1962	4.87031170329257
1963	4.890643120180668
1964	4.926431427413137
1965	4.967245090649115
1966	5.003510503045598
1967	5.037495139518952
1968	5.068984686915652
1969	5.098921970349788
1970	5.125789610709931
1971	5.151362546399282
1972	5.178071254466792
1973	5.204662852524028
1974	5.360690732224211
1975	5.641079713201181
1976	5.919979747670099
1977	6.203461822529148
1978	6.486650162194291
1979	6.758385464920839
1980	7.014480408858603
1981	7.242735614481323
1982	7.440703033117463
1983	7.6459073336342405
1984	7.711508363436002
1985	7.640361928759592
1986	7.598623129047429
1987	7.585492580611544
1988	7.589984831084608
1989	7.595268192217877
1990	7.5962641448003545
1991	7.592613143307275
1992	7.560602958085908
1993	7.453503266515931
1994	7.325943091642712
1995	7.260122124857856
1996	7.227481733580341
1997	7.191608862590164
1998	7.15030202880441
1999	7.100173406473842
2000	7.0372441960978875
2001	6.963321690483203
2002	6.880134778446301
2003	6.715794195667238
2004	6.491684497179537
2005	6.291509804360822
2006	6.110824827668158
2007	5.950880532026137
2008	5.813460178697692
2009	5.69673432044364
2010	5.594269995036782
2011	5.502075988880056
2012	5.409590550736104
2013	5.291703913898069
2014	5.139958752710159
2015	4.992065190789311
2016	4.873112702595852
2017	4.775557659806542
2018	4.695697248451698
2019	4.637473638803681
2020	4.578579678096693
2021	4.506254326738473
2022	4.4500901880425765
2023	4.434318263660996