Year	male births per female births
1960	1.054576234819476
1961	1.0543477470675455
1962	1.0558421035438545
1963	1.0563447732364377
1964	1.0560943300837398
1965	1.0560730299350427
1966	1.0561413900654197
1967	1.0562861431258939
1968	1.0563001484270158
1969	1.0564348831319803
1970	1.0570669810825861
1971	1.0569100778936513
1972	1.0572587897019432
1973	1.0572463499317992
1974	1.0578329357290812
1975	1.0583873593640822
1976	1.0594038776221817
1977	1.0593097251679187
1978	1.0596593047157183
1979	1.0602546101608663
1980	1.0608917803029156
1981	1.0621856640179197
1982	1.0626130350372742
1983	1.0631483620644464
1984	1.0643676714121728
1985	1.0654979090995904
1986	1.0671256510436442
1987	1.0698325358756653
1988	1.071835183451663
1989	1.0733016015235333
1990	1.076049441515898
1991	1.0788623388419587
1992	1.0811226528388769
1993	1.0841866975343806
1994	1.087501229528388
1995	1.0906352776807149
1996	1.0925368366428287
1997	1.0943848010957116
1998	1.0951123976992128
1999	1.0951457536958853
2000	1.0961087666115903
2001	1.095060082083404
2002	1.0942074607923218
2003	1.0945350323020826
2004	1.094994189102211
2005	1.0952879050452378
2006	1.0946155317564625
2007	1.0944943784159447
2008	1.0943792572126103
2009	1.0944025311503325
2010	1.0940383829381937
2011	1.0946732126562195
2012	1.094138087502246
2013	1.0910006057090504
2014	1.0907459466147524
2015	1.0872968959694356
2016	1.0874644747665456
2017	1.0848417709581109
2018	1.0813535116023847
2019	1.0794053287953624
2020	1.0754807150994743
2021	1.0729739120634896
2022	1.070817393048841