Year	% of female population
1960	0.6639957771385695
1961	0.661052801717582
1962	0.6674343701592109
1963	0.6780451973144499
1964	0.6863627265952875
1965	0.6877640031759842
1966	0.6840712653403552
1967	0.6787428953926783
1968	0.6740528460317299
1969	0.6730332540766077
1970	0.6778973569653828
1971	0.6874156053819116
1972	0.7000896249052725
1973	0.7137102511558436
1974	0.7270068559531265
1975	0.7415147167521764
1976	0.7587570433844167
1977	0.776813775422397
1978	0.7955515262277018
1979	0.8138191421549409
1980	0.8291938127348283
1981	0.8417991593500791
1982	0.8513916353848042
1983	0.859873236662299
1984	0.8695041021707476
1985	0.8776724264004957
1986	0.8829505870929174
1987	0.8890980473020562
1988	0.8971644897351185
1989	0.9057985477950211
1990	0.9119940499424579
1991	0.9161094370164685
1992	0.9195393408902819
1993	0.9226895664317064
1994	0.9278688571509297
1995	0.93884582542955
1996	0.9562124138211096
1997	0.9773194968127825
1998	1.001994408542436
1999	1.03026793706579
2000	1.0585851085614595
2001	1.0834431776021207
2002	1.1079405402390317
2003	1.1342703092609658
2004	1.1570773519897697
2005	1.177596043449871
2006	1.1978359878830749
2007	1.216492925691519
2008	1.2350217445960452
2009	1.253797514959435
2010	1.2728003247006505
2011	1.293935788172898
2012	1.3158401005548825
2013	1.3338738422115266
2014	1.3465948801273238
2015	1.3569311591607014
2016	1.367540855675904
2017	1.3757046652599938
2018	1.3814123966053664
2019	1.3925046496490834
2020	1.409873022445226
2021	1.43201348759176
2022	1.4656573456310953
2023	1.5207401511983245