Year	% of male population
1960	0.257529664192657
1961	0.268633833062204
1962	0.279164072708366
1963	0.288962869278722
1964	0.297867152567951
1965	0.305719351412841
1966	0.312955444256099
1967	0.319796175573305
1968	0.325932310700562
1969	0.331240651895339
1970	0.335865191367774
1971	0.340411666294652
1972	0.344590423131697
1973	0.348292898794506
1974	0.351818473584499
1975	0.354877607741021
1976	0.357576652317323
1977	0.35984102545741
1978	0.361423961524987
1979	0.362579643457721
1980	0.363311140177874
1981	0.363688646691683
1982	0.363848363533353
1983	0.363480175937951
1984	0.362806361002537
1985	0.361811262181164
1986	0.360485697078401
1987	0.359109243263119
1988	0.357440063009422
1989	0.355338743812995
1990	0.352916099578637
1991	0.349913661556063
1992	0.34626228630113
1993	0.342460130754519
1994	0.338090345097713
1995	0.333114812128043
1996	0.328305506371355
1997	0.323627109196164
1998	0.318355972583262
1999	0.312665647321609
2000	0.307661077182858
2001	0.303733369473812
2002	0.300124758433426
2003	0.296622850498814
2004	0.293477199190864
2005	0.290706506187537
2006	0.288162145726234
2007	0.285658247816463
2008	0.283199028862713
2009	0.281244726261478
2010	0.279852022684216
2011	0.278891580708884
2012	0.278494415528516
2013	0.278568403261528
2014	0.278927906981301
2015	0.279519100403572
2016	0.280435726293345
2017	0.281796500161865
2018	0.283544836241617
2019	0.285240819024358
2020	0.282985612766585
2021	0.277398493733053
2022	0.272912245094838
2023	0.271751157878968