Year	% of female population
1960	4.48887565224189
1961	5.01250758650236
1962	5.78095425967234
1963	6.58514520977995
1964	7.13377341376896
1965	7.29133512670819
1966	7.22994577750078
1967	7.06752857584244
1968	6.88026366259814
1969	6.70704788274226
1970	6.57937194200227
1971	6.47888809320767
1972	6.36248857386598
1973	6.19995831562629
1974	5.99347372807226
1975	5.76149346654798
1976	5.51053704217844
1977	5.28783032990483
1978	5.14828949268078
1979	5.09974366470544
1980	5.16227054552393
1981	5.32851448621414
1982	5.54483732810286
1983	5.83934623193468
1984	6.17984464735372
1985	6.45044216045193
1986	6.76322460040581
1987	7.18169345894346
1988	7.48886613980081
1989	7.65430736928645
1990	7.81322415097557
1991	7.8854637930641
1992	7.80737246178389
1993	7.70925446325606
1994	7.65028954761066
1995	7.58692477538557
1996	7.47624890970582
1997	7.33584440331939
1998	7.1446455694317
1999	6.87162518055587
2000	6.57157148770732
2001	6.3027940406683
2002	6.09217071853382
2003	6.04681662730237
2004	6.19319026350186
2005	6.37627421524967
2006	6.49645289586634
2007	6.55180142543772
2008	6.5138003147591
2009	6.41668137251442
2010	6.38729003087405
2011	6.46914542297114
2012	6.65569088100074
2013	6.96747390281957
2014	7.37427692289292
2015	7.77287404937775
2016	8.09989279406621
2017	8.32411383985688
2018	8.4023819082654
2019	8.31897564505345
2020	8.10011325041029
2021	7.79572361773436
2022	7.45943197820496
2023	7.1219438376714