Year	% of male population
1960	0.428267844605219
1961	0.427390757860042
1962	0.425857285786127
1963	0.423984682716122
1964	0.422152605526503
1965	0.420306538119731
1966	0.418806924369775
1967	0.417900816639267
1968	0.416776399233877
1969	0.414371936782193
1970	0.410517750061283
1971	0.405574231230651
1972	0.399482670115302
1973	0.39306584518025
1974	0.387981060207371
1975	0.384555423169603
1976	0.382893558003325
1977	0.382521082461428
1978	0.381426750418131
1979	0.377630032808235
1980	0.371383208744939
1981	0.363669421283364
1982	0.353282547826495
1983	0.342674561647062
1984	0.331693069142204
1985	0.319840425003677
1986	0.311867477643583
1987	0.308310774165646
1988	0.306732938124675
1989	0.306552760773085
1990	0.30589596452164
1991	0.305306600580183
1992	0.305797741044634
1993	0.307518617816076
1994	0.309589836784528
1995	0.311632128944614
1996	0.313781665096115
1997	0.315632355621986
1998	0.317167483815769
1999	0.319208747501955
2000	0.321539280734341
2001	0.324042327868019
2002	0.327275505618999
2003	0.330235193156243
2004	0.332073771748322
2005	0.333605522534783
2006	0.334623525927321
2007	0.333066497520156
2008	0.332558500515012
2009	0.334452393144709
2010	0.335868916953533
2011	0.33830545317065
2012	0.341344502120594
2013	0.343769808332474
2014	0.345762111919392
2015	0.346666601841068
2016	0.346818001695236
2017	0.347537624117064
2018	0.349431161551737
2019	0.352522567745929
2020	0.353869269870222
2021	0.352117639214671
2022	0.348894625280537
2023	0.344071526351573