Year	% of female population
1960	0.38375344972483105
1961	0.37734727738378077
1962	0.3720710009598342
1963	0.36748186671655897
1964	0.36375912111290015
1965	0.3606752573699459
1966	0.3582381878891218
1967	0.3565018582866079
1968	0.3553654795764655
1969	0.3545601926628047
1970	0.3537808390526339
1971	0.3518701981152412
1972	0.35010741851380534
1973	0.35006482185530435
1974	0.35099998958571016
1975	0.35269654395053884
1976	0.35621683126021464
1977	0.3612871590160241
1978	0.3667500543536909
1979	0.37244759392793997
1980	0.37732001107001545
1981	0.3816272093490324
1982	0.3860246420682781
1983	0.38976925786996347
1984	0.3927334304701147
1985	0.39585233012104637
1986	0.39881054228123014
1987	0.4026920247907889
1988	0.40633014974171316
1989	0.4078974307197123
1990	0.40927356491350403
1991	0.4114150540158966
1992	0.41323293743448974
1993	0.41451722632765964
1994	0.41617139209150444
1995	0.4176485872096442
1996	0.41849721169076687
1997	0.4202590623326866
1998	0.42382609933071463
1999	0.429403993504894
2000	0.43628471457496193
2001	0.44307966195505954
2002	0.44986680959147185
2003	0.4568184106480017
2004	0.4641037473169297
2005	0.4713787771208943
2006	0.4783338668091401
2007	0.48477355310227005
2008	0.49044516111178155
2009	0.49561483364102166
2010	0.501175131939602
2011	0.5072455052756881
2012	0.5137283201805096
2013	0.520652958885724
2014	0.5274506342977399
2015	0.5335412083323025
2016	0.5396770857450591
2017	0.5471163204969297
2018	0.5549275260343322
2019	0.5621559970356477
2020	0.5672742460936306
2021	0.5691834078989461
2022	0.5713590379396187
2023	0.5767158249184562