Year	% of female population
1960	1.8022245086412996
1961	1.839090194188458
1962	1.8700741053419223
1963	1.9076753694011575
1964	1.946969265897922
1965	1.9730177340861066
1966	1.9995118852186147
1967	2.024115496000391
1968	2.0405952243859016
1969	2.060513324979849
1970	2.0931171442304297
1971	2.1380961261860234
1972	2.191158047019282
1973	2.2413019778766543
1974	2.2886186022700397
1975	2.3441625725473725
1976	2.4062516736985513
1977	2.4754294692045042
1978	2.5448068912151927
1979	2.603512095874261
1980	2.6531291066264524
1981	2.694224785954076
1982	2.7357744607591448
1983	2.788585896628669
1984	2.8498512601060866
1985	2.908520789519915
1986	2.9646566244622155
1987	3.0223070456394385
1988	3.0655579110739275
1989	3.0916881252625883
1990	3.0746791517793177
1991	2.9891920917388934
1992	2.856768034598312
1993	2.719171252524085
1994	2.638013617320319
1995	2.6678887705309178
1996	2.788181876755328
1997	2.9436808252447424
1998	3.124454161421348
1999	3.273186943528949
2000	3.3486296861879037
2001	3.4019863053659365
2002	3.450987625245969
2003	3.471799778519693
2004	3.489717297814993
2005	3.5149724693378697
2006	3.514885288640281
2007	3.4978682827459453
2008	3.4698471825231842
2009	3.434742787537882
2010	3.4213859562047566
2011	3.4406305284714933
2012	3.487807585050809
2013	3.554770936936124
2014	3.6274102998440787
2015	3.6886330675092234
2016	3.7258009920413624
2017	3.7237925297677754
2018	3.6989419225373177
2019	3.6697785484326326
2020	3.6244487828586367
2021	3.646513316665244
2022	3.7955014337513533
2023	4.003063817753268