Year	% of male population
1960	2.888737367079526
1961	2.896538793801563
1962	2.9175864903637088
1963	2.9435282763775454
1964	2.9613677838694787
1965	2.9674074751710062
1966	2.96338413223772
1967	2.9486153097133863
1968	2.9281541024267494
1969	2.9105283834908833
1970	2.89826273152405
1971	2.8883008822699447
1972	2.8832488851983418
1973	2.8833996282915675
1974	2.8831240761273995
1975	2.881958052741795
1976	2.879744712602575
1977	2.8747473511794728
1978	2.8679222314137496
1979	2.8609340752096846
1980	2.8535542039679096
1981	2.84659040543134
1982	2.8412150117557022
1983	2.8367145667829012
1984	2.8314703392270233
1985	2.824878022277938
1986	2.8169995755734925
1987	2.8077308089890627
1988	2.797933668381674
1989	2.7889492422140116
1990	2.781426397850422
1991	2.776959991321214
1992	2.7766822049831505
1993	2.777644990581076
1994	2.7757768516846792
1995	2.770624219481441
1996	2.762885151239355
1997	2.7530503445849934
1998	2.745200255432228
1999	2.7440974560586575
2000	2.7507541265708153
2001	2.7650235238634235
2002	2.785866026851148
2003	2.813307131403534
2004	2.87527012372133
2005	2.97203914886565
2006	3.0777897482905976
2007	3.191919130935296
2008	3.311021755871356
2009	3.407570108021342
2010	3.4772863287175393
2011	3.540092076453626
2012	3.596304845659825
2013	3.6457360577641844
2014	3.690088463562536
2015	3.7347363003941014
2016	3.7809230194271604
2017	3.8271636780604084
2018	3.8740741011637327
2019	3.921044390278147
2020	3.961622940764612
2021	3.9921819266998075
2022	4.023001703797085
2023	4.065421846145245