Year	% of male population
1960	2.888737367079526
1961	2.896538793801563
1962	2.9175864903637083
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	2.883399628291568
1974	2.8831240761273995
1975	2.881958052741795
1976	2.879744712602575
1977	2.8747473511794728
1978	2.86792223141375
1979	2.860934075209684
1980	2.853554203967909
1981	2.84659040543134
1982	2.8412150117557022
1983	2.8367145667829012
1984	2.8314703392270233
1985	2.8248780222779377
1986	2.8169995755734925
1987	2.8077308089890627
1988	2.797933668381674
1989	2.788949242214011
1990	2.7814263978504217
1991	2.776959991321214
1992	2.7766822049831505
1993	2.777644990581076
1994	2.775776851684679
1995	2.770624219481441
1996	2.762885151239355
1997	2.7530503445849934
1998	2.745200255432228
1999	2.7440974560586575
2000	2.750754126570815
2001	2.7650235238634235
2002	2.785866026851148
2003	2.813307131403534
2004	2.87527012372133
2005	2.9720391488656497
2006	3.0777897482905976
2007	3.191919130935296
2008	3.311021755871355
2009	3.4075701080213414
2010	3.4772863287175393
2011	3.540092076453626
2012	3.5963048456598257
2013	3.6457360577641835
2014	3.6900884635625357
2015	3.7347363003941014
2016	3.780923019427161
2017	3.8271636780604084
2018	3.874074101163733
2019	3.921044390278147
2020	3.961622940764612
2021	3.992181926699808
2022	4.023001703797085
2023	4.065421846145245