Year	% female
1970	26.014310836792
1971	27.0677795410156
1972	29.3649406433105
1973	30.2797107696533
1974	31.1040191650391
1975	32.6517601013184
1976	34.8451995849609
1978	36.5462303161621
1979	37.1800994873047
1981	37.1692008972168
1982	38.7552299499512
1986	39.3161087036133
1987	39.4762496948242
1988	40.5036010742188
1989	41.0002784729004
1990	41.2658805847168
1991	40.4974784851074
1992	41.465461730957
1994	43.1588096618652
1995	43.2009887695312
1996	43.6568908691406
1997	43.6808700561523
1998	44.0613594055176
1999	45.2685394287109
2001	45.2036018371582
2002	46.0854187011719
2003	46.0317306518555
2004	47.062068939209
2005	47.9264984130859
2006	48.2841911315918
2007	49.0112609863281
2008	50.2550582885742
2009	49.0625686645508
2010	50.4570198059082
2012	51.5981788635254
2013	51.8420791625977
2014	51.4576606750488
2015	52.0377883911133
2016	51.2911605834961
2017	51.2120208740234
2018	50.3632888793945
2019	49.6825981140137
2020	49.219970703125
2021	48.8427085876465
2022	48.5040016174316