Year	male births per female births
1960	1.0527742693198632
1961	1.0525694517034103
1962	1.0536985848797167
1963	1.05418632272371
1964	1.053934227248447
1965	1.0539367078759319
1966	1.0540152577121364
1967	1.0539718912315985
1968	1.0543144890362286
1969	1.0544444222849558
1970	1.054943761674307
1971	1.0546904101680545
1972	1.0549564736070887
1973	1.0548777816800345
1974	1.0552478026318506
1975	1.055525980318644
1976	1.05604966706323
1977	1.0560683401309412
1978	1.0562258373627371
1979	1.0563123058455774
1980	1.0566579552544761
1981	1.057515321684544
1982	1.0576469284147982
1983	1.0579923657386574
1984	1.0586743875151525
1985	1.059498955503178
1986	1.060870945069707
1987	1.0627845417727053
1988	1.0642923903471864
1989	1.0651574392535603
1990	1.0669910748709925
1991	1.0683914022267023
1992	1.0695955213938044
1993	1.0716074618570597
1994	1.0734801942365861
1995	1.0748294561664171
1996	1.075667317948203
1997	1.0763702314396668
1998	1.0765432244190027
1999	1.076261175993039
2000	1.0765095246382685
2001	1.0754650093947977
2002	1.0745737576909
2003	1.0742718890365142
2004	1.07429538589782
2005	1.0743226826269152
2006	1.0733497096495432
2007	1.0729901686653447
2008	1.0726377867505579
2009	1.0724126980128112
2010	1.0718369174842182
2011	1.0723189827440887
2012	1.0720932370123364
2013	1.0698897444788864
2014	1.0697803538385577
2015	1.0674281654725197
2016	1.0676320998387263
2017	1.0659027233942158
2018	1.063471154417393
2019	1.0620689728877757
2020	1.0594846686533144
2021	1.0579296608912376
2022	1.056634431590125