Year	% of male population
1960	3.7647972953406326
1961	3.749528341639549
1962	3.7304055920337986
1963	3.7094060849600563
1964	3.692363700055568
1965	3.6796875025485014
1966	3.6666784287834755
1967	3.652401554291002
1968	3.6372588678053113
1969	3.619335161748913
1970	3.5994577941913857
1971	3.5817465275878377
1972	3.564731394147103
1973	3.5478526908183325
1974	3.531504100937491
1975	3.515931851406286
1976	3.501496168812756
1977	3.489075742043985
1978	3.4806349449146037
1979	3.4752161751556123
1980	3.4710957967494624
1981	3.471529078419291
1982	3.478797296278684
1983	3.490326292003515
1984	3.4950145443230047
1985	3.4884418340601897
1986	3.474488858056373
1987	3.4528234980470955
1988	3.429251693201224
1989	3.4096490494834772
1990	3.394108539734575
1991	3.382031826912447
1992	3.3724309550058376
1993	3.3539625029571556
1994	3.326884912905051
1995	3.302462259469139
1996	3.2627272564727177
1997	3.2118578033125753
1998	3.1830979345286807
1999	3.177894873620981
2000	3.1783216683191493
2001	3.1879059524451026
2002	3.212397379673475
2003	3.2392487292793612
2004	3.2563052424431733
2005	3.264938396306024
2006	3.2724396548911723
2007	3.2752156263354943
2008	3.2755043748133548
2009	3.2820620469453154
2010	3.294480977718933
2011	3.3148198859154325
2012	3.3449642520701737
2013	3.37522033210763
2014	3.404306382900428
2015	3.4351425498946178
2016	3.4636488009997204
2017	3.4860463325898254
2018	3.499236406903173
2019	3.504309820347609
2020	3.5073483106696375
2021	3.5111855425402636
2022	3.516777575134046
2023	3.5331546728449696