Year	% female
1971	6.45624017715454
1972	7.07692003250122
1973	8.56377983093262
1974	11.0041303634644
1975	13.4763498306274
1976	15.2367601394653
1977	15.576530456543
1978	14.4298696517944
1979	18.0128192901611
1980	19.7521705627441
1981	19.0520896911621
1982	21.0369300842285
1983	23.5603294372559
1984	24.4311695098877
1985	25.0190296173096
1986	25.0114402770996
1987	31.8368396759033
1991	25.1206607818604
1992	26.0999794006348
1993	26.6027202606201
1996	29.9012393951416
1997	29.5374298095703
1998	32.5293998718262
1999	36.155948638916
2000	35.0219306945801
2001	34.8145599365234
2002	33.8853912353516
2003	33.6101684570312
2004	33.5529708862305
2005	33.1047782897949
2006	33.04248046875
2007	34.6884918212891
2008	34.6890411376953
2009	34.6876106262207
2010	36.5227699279785
2011	38.0213012695312
2012	36.9587211608887
2013	38.937068939209
2014	40.4906692504883
2015	40.1286010742188
2016	41.034538269043
2017	40.8266181945801
2018	40.7931213378906
2019	41.9252510070801
2020	41.5036010742188
2021	42.699520111084
2022	42.8363418579102