Year	% female
1971	25.0134906768799
1972	25.0057201385498
1973	25.097749710083
1974	25.373140335083
1975	25.6658992767334
1976	26.1629104614258
1977	26.3853607177734
1978	27.3358497619629
1979	27.7043590545654
1980	27.9243106842041
1981	28.013500213623
1982	28.5323791503906
1983	28.6014995574951
1984	29.1022090911865
1985	29.8905391693115
1986	29.8809394836426
1987	29.826789855957
1988	30.0847797393799
1989	30.1432094573975
1990	29.9912300109863
1991	30.6073398590088
1992	31.0210399627686
1993	31.5856800079346
1994	32.8317108154297
1995	34.1514282226562
1996	35.3776893615723
1997	36.2969284057617
1998	37.2612495422363
1999	37.8541488647461
2000	38.5251998901367
2001	38.4617614746094
2002	38.3083915710449
2003	38.2919082641602
2004	38.7490310668945
2005	38.8698081970215
2006	38.8956413269043
2007	38.9395217895508
2008	38.7060585021973
2009	38.5115585327148
2010	38.4778709411621
2011	38.5157814025879
2012	38.509838104248
2013	38.3010292053223
2014	38.5535202026367
2015	38.8845901489258
2016	39.2858505249023
2017	40.1484107971191
2018	40.5824890136719
2019	40.7545585632324
2020	41.1029586791992
2021	41.4697189331055
2022	41.6195602416992