Year	male births per female births
1960	1.061256345692983
1961	1.061435969696692
1962	1.0620023670931444
1963	1.0618669088630301
1964	1.0619086973189238
1965	1.061687355142706
1966	1.0621712320950674
1967	1.0622650295657772
1968	1.0629542411340123
1969	1.0629608949387617
1970	1.063547036386668
1971	1.0632096742643387
1972	1.0632923152158782
1973	1.063191661760161
1974	1.06385460816545
1975	1.0642570670896108
1976	1.0649976260642295
1977	1.065604801635333
1978	1.0662140458169995
1979	1.0669334128473356
1980	1.0677261474540578
1981	1.0695730232992202
1982	1.0709209967592435
1983	1.0727961566740352
1984	1.074717270667771
1985	1.0782641839001021
1986	1.0818867526659495
1987	1.0858784237292711
1988	1.0904027432696022
1989	1.094543279668466
1990	1.0992886882266641
1991	1.102479141334778
1992	1.1060070242033442
1993	1.110236415552952
1994	1.1138807845700955
1995	1.1166607361284533
1996	1.1194823335298367
1997	1.121555897156556
1998	1.1233276111734094
1999	1.1240178752296008
2000	1.1250962687531099
2001	1.1250487216439593
2002	1.1256994903464395
2003	1.125720364278149
2004	1.1263106865103647
2005	1.1270717710092768
2006	1.1265252584116516
2007	1.1260004616813297
2008	1.1251552859110312
2009	1.1246672520187195
2010	1.1234195421754825
2011	1.1243606210887307
2012	1.1242111648410709
2013	1.119749831998585
2014	1.1183970171685256
2015	1.1129526731181207
2016	1.1128370588232
2017	1.1091375131182335
2018	1.103674528721311
2019	1.1004804108245587
2020	1.0947431134972179
2021	1.0908686569867299
2022	1.0875905012669111