Year	% of female population
1960	0.784464066314964
1961	0.7658487592824142
1962	0.7580528819120903
1963	0.7562243717716666
1964	0.7578461619538994
1965	0.7577148658116787
1966	0.7556280810620558
1967	0.7585499384621653
1968	0.7640087869910447
1969	0.7702280665467229
1970	0.780170823790918
1971	0.7926873297464793
1972	0.8032519154785511
1973	0.8133776830720861
1974	0.8243601341924459
1975	0.8419894290080643
1976	0.8703126723080322
1977	0.9040113513644502
1978	0.9400558850967389
1979	0.9751886722060495
1980	1.0040660237576908
1981	1.0249414981123883
1982	1.040295364537028
1983	1.056724317864573
1984	1.078329921835164
1985	1.0986608261429136
1986	1.1136511885283922
1987	1.1291894075997957
1988	1.1496980258483511
1989	1.1739165214994138
1990	1.1971854110861055
1991	1.221701002280092
1992	1.2466440769078724
1993	1.2649109519429935
1994	1.2803682016899844
1995	1.3078310740224595
1996	1.3444239715277897
1997	1.3825144785166394
1998	1.4289036498440661
1999	1.4835966874402744
2000	1.5348439709646486
2001	1.5783125717105786
2002	1.6235058300115857
2003	1.67425508076792
2004	1.7196641113161513
2005	1.7619135407945457
2006	1.8074542872445605
2007	1.8552535466146514
2008	1.9076476246281822
2009	1.9619301196139949
2010	2.0135640329071225
2011	2.06035595498026
2012	2.094786701539856
2013	2.1102486503062967
2014	2.1127749249200978
2015	2.1203874734170807
2016	2.144915035969269
2017	2.1779993223744896
2018	2.212951418173857
2019	2.256671154383105
2020	2.3006640922744217
2021	2.3479009432387987
2022	2.432212808378011
2023	2.5661002021598387