Year	% female
1970	22.287670135498
1971	21.8042907714844
1972	23.8435497283936
1973	24.2102394104004
1974	24.2269802093506
1975	24.645959854126
1976	24.8996200561523
1977	26.2897396087646
1978	28.0323104858398
1979	29.309549331665
1980	30.1986694335938
1981	31.3897590637207
1982	30.6733093261719
1983	32.0647583007812
1984	33.4753189086914
1985	34.6635513305664
1986	35.1801109313965
1987	33.1801681518555
1988	35.112720489502
1989	37.4806518554688
1990	36.2519111633301
1991	36.1821708679199
1992	37.7908897399902
1993	38.114818572998
1994	39.0843696594238
1995	39.0191497802734
1996	39.7136192321777
1997	39.3254699707031
1998	38.8837013244629
1999	38.372631072998
2000	38.625171661377
2001	38.4284706115723
2002	38.913158416748
2003	38.860710144043
2004	41.3561706542969
2005	40.469669342041
2006	40.9232902526855
2007	38.0505294799805
2008	37.9278793334961
2009	38.5110702514648
2010	39.4091300964355
2011	40.5879287719727
2012	39.73583984375
2013	41.6262512207031
2014	42.180980682373
2015	43.2052688598633
2016	43.7373008728027
2017	44.4947319030762
2018	44.9201812744141
2019	46.0852813720703
2020	47.0698318481445
2021	46.784351348877
2022	47.0801887512207