Year	male births per female births
1960	1.0615694533427187
1961	1.0616015314090295
1962	1.0621117695321665
1963	1.0620978660873697
1964	1.0621043864490507
1965	1.0620729985807764
1966	1.0619349448539541
1967	1.062646249836934
1968	1.0626967437819712
1969	1.0626592749373143
1970	1.0633855295784087
1971	1.0632424459276881
1972	1.063401611806864
1973	1.0634014273604686
1974	1.0639952478195527
1975	1.0645769113893193
1976	1.0654144329795683
1977	1.0661327336636197
1978	1.0668214841343928
1979	1.0675853095165775
1980	1.0685356080298238
1981	1.0701962459207923
1982	1.0718470096911519
1983	1.0738070067713932
1984	1.0757979080484437
1985	1.0794008412025575
1986	1.082832796893166
1987	1.087268458797701
1988	1.0918054208119683
1989	1.0961862278657493
1990	1.1007348956153202
1991	1.1046371056922168
1992	1.1083722615142237
1993	1.1128867990754139
1994	1.1170486974251168
1995	1.1205843975894763
1996	1.1239279539218192
1997	1.126761973261002
1998	1.1285365144583888
1999	1.1293946774322685
2000	1.1305987886636004
2001	1.1307356539597826
2002	1.1312591958809155
2003	1.131365873664117
2004	1.1321171625524955
2005	1.1327813153841537
2006	1.132401328840582
2007	1.1319873956660136
2008	1.1310759944897522
2009	1.1303976084750362
2010	1.1288533570288948
2011	1.1297002391481308
2012	1.1294495821505155
2013	1.1249616523928971
2014	1.1233014299259318
2015	1.1178227111556776
2016	1.1172816086558965
2017	1.1132149344928202
2018	1.107642326629138
2019	1.1041187690479113
2020	1.098152184919424
2021	1.0940910334088432
2022	1.0905467961652477