Year	% of working-age population
1960	53.824478740133266
1961	53.22843135813251
1962	52.25613598084337
1963	51.53160651768525
1964	51.26148381377605
1965	51.103989082715394
1966	50.85026302305092
1967	50.58482316227091
1968	50.367127450554996
1969	50.21384788371193
1970	50.12531671824617
1971	50.20181410297464
1972	50.60722862291202
1973	51.440839608730826
1974	52.75958645469521
1975	54.29678871386566
1976	55.725387712568505
1977	56.96169608362944
1978	57.914612513866736
1979	58.44886898781745
1980	58.36588631219538
1981	57.64681701024814
1982	56.62125763437046
1983	55.50795656320815
1984	54.68311055481576
1985	54.372575308973104
1986	54.238183447542944
1987	53.98974772620223
1988	53.47334036826692
1989	52.57574619667578
1990	51.45482065759298
1991	50.404426322742104
1992	49.429065844157726
1993	48.47997051631944
1994	47.53757011849024
1995	46.68803796665561
1996	45.991291677841616
1997	45.33221401871044
1998	44.67760577497671
1999	43.99573439734431
2000	43.279586004876926
2001	42.55619829486874
2002	41.868852664288944
2003	41.21651527054521
2004	40.69213449412519
2005	40.38013603291185
2006	40.24909752929725
2007	40.368455972989494
2008	40.8261693664695
2009	41.60132501906288
2010	42.58085198048812
2011	43.8732922387761
2012	45.46800662542751
2013	47.07692522897119
2014	48.60216899796157
2015	50.060181673382054
2016	51.49559549685434
2017	52.90759215281929
2018	54.244390356163294
2019	55.48237201504666
2020	56.559961153647684
2021	57.37010954581425
2022	57.71858568545274
2023	57.67726366295021