Year	male births per female births
1960	1.0531559152978482
1961	1.0528960023894969
1962	1.0545068316455826
1963	1.0549650662897212
1964	1.0548231002561639
1965	1.054824277440288
1966	1.0548643272837435
1967	1.0550722679654259
1968	1.055138930697836
1969	1.0552521980864609
1970	1.055818040638902
1971	1.0556296153301683
1972	1.0559996431835477
1973	1.0559438952964186
1974	1.0564062565387142
1975	1.0567591222710746
1976	1.0575553529581252
1977	1.057714886016929
1978	1.0579787730407915
1979	1.0581148451896545
1980	1.0587211435932562
1981	1.0596355465903222
1982	1.0598347755611888
1983	1.0602993001841954
1984	1.061238799543297
1985	1.0622277212213063
1986	1.0639014805372828
1987	1.0662490346795501
1988	1.068206307372422
1989	1.0693237512907683
1990	1.0715209183438363
1991	1.0734697132062085
1992	1.074903073498714
1993	1.077517191103092
1994	1.0800919931741975
1995	1.0821477447432537
1996	1.0833217067231218
1997	1.0844901001598286
1998	1.0849010385050575
1999	1.084586348757769
2000	1.0851492698621172
2001	1.0842134436073194
2002	1.0831534421364055
2003	1.0830417190513282
2004	1.0832695202932134
2005	1.0834651158026238
2006	1.0824598931277918
2007	1.0822854044500252
2008	1.082008592051718
2009	1.0817373989798413
2010	1.080979963720377
2011	1.0815178323497365
2012	1.0812194029713174
2013	1.0785039044980165
2014	1.0783801816453267
2015	1.0755029640547071
2016	1.075861049424933
2017	1.073613147795949
2018	1.070655793826614
2019	1.068910353923287
2020	1.0656301197876568
2021	1.063619433376951
2022	1.061898504323441