Year	% of female population
1960	0.274887339132585
1961	0.274072333184311
1962	0.273610400785244
1963	0.273343028539263
1964	0.273516327509092
1965	0.273843116365724
1966	0.274342605308741
1967	0.275142938509058
1968	0.276171679677715
1969	0.277501421833158
1970	0.295390805182699
1971	0.343517781892589
1972	0.401287077055783
1973	0.450485946669624
1974	0.490669247118037
1975	0.522609181675409
1976	0.548836107010943
1977	0.571602007837085
1978	0.591340897005814
1979	0.609272386839858
1980	0.598587219864125
1981	0.563073381094168
1982	0.533335189219159
1983	0.509327702997402
1984	0.491179225203565
1985	0.47920278547976
1986	0.473485640542354
1987	0.473761850189625
1988	0.479663347472335
1989	0.490724329214668
1990	0.50635781649775
1991	0.525931192722729
1992	0.548807214711817
1993	0.574348292843841
1994	0.631597850704309
1995	0.714105980330839
1996	0.788659687966876
1997	0.856674292737463
1998	0.918167316953529
1999	0.973636440513462
2000	1.02416184946427
2001	1.07186588496416
2002	1.09183670288109
2003	1.08920052078591
2004	1.09406604726896
2005	1.1058688752314
2006	1.12429204769253
2007	1.14863367385129
2008	1.17849372603906
2009	1.21394973554134
2010	1.25495791367826
2011	1.30121846970412
2012	1.35222203849215
2013	1.40686000034586
2014	1.46321994724473
2015	1.51859402847301
2016	1.57295968255417
2017	1.62687666067535
2018	1.67817869430264
2019	1.72478016338748
2020	1.76146386957377
2021	1.78313296541508
2022	1.80229560522147
2023	1.82556148946035