Year	% female
1971	22.4696102142334
1972	23.3320407867432
1973	23.8448696136475
1974	25.426139831543
1975	25.1637401580811
1976	26.7325897216797
1977	27.8509006500244
1978	28.770170211792
1979	27.8066902160645
1980	28.175329208374
1981	29.128870010376
1982	28.9821605682373
1983	30.2191104888916
1984	30.0235290527344
1985	31.2891006469727
1986	30.2760906219482
1987	31.0303802490234
1988	31.4730091094971
1989	31.4097309112549
1990	32.6735687255859
1991	32.3199615478516
1992	32.064998626709
1993	32.8242111206055
1994	33.1299781799316
1996	36.6670417785645
1997	36.7685890197754
1999	37.799560546875
2000	38.5006408691406
2001	36.6851692199707
2002	40.1286697387695
2003	38.965461730957
2004	38.623119354248
2005	38.7990417480469
2006	39.1388816833496
2007	37.0810890197754
2008	38.0130310058594
2009	37.5673904418945
2010	38.0752983093262
2011	38.4896697998047
2012	37.4685897827148
2013	38.7809410095215
2014	43.3143501281738
2015	42.1097602844238
2016	43.1605606079102
2019	41.0780982971191
2020	41.4653701782227
2021	41.4685707092285