Year	% female
1970	35.586669921875
1971	34.8489608764648
1972	35.7390785217285
1973	36.3753089904785
1974	36.630500793457
1975	36.5790100097656
1976	37.5642395019531
1977	37.4238090515137
1978	37.0370216369629
1979	37.0446090698242
1980	38.1922798156738
1981	38.3439407348633
1982	37.428150177002
1983	38.396240234375
1984	39.5819892883301
1985	40.6602401733398
1986	41.5330009460449
1987	40.3318481445312
1988	41.4083404541016
1989	42.8815498352051
1990	42.3974609375
1991	42.8352394104004
1992	44.0784606933594
1993	44.4675598144531
1994	45.5013694763184
1995	45.9904518127441
1996	47.0311584472656
1997	47.7914199829102
1998	48.476131439209
1999	48.9587287902832
2000	49.1251602172852
2001	49.0120582580566
2002	49.456371307373
2003	48.5224113464355
2004	50.7359313964844
2005	50.8820915222168
2006	50.8081283569336
2007	50.155948638916
2008	50.8092498779297
2009	50.6629981994629
2010	51.2352905273438
2011	51.8614196777344
2012	52.4083099365234
2013	52.6554985046387
2014	52.8603096008301
2015	53.8624992370605
2016	54.2520790100098
2017	55.3519706726074
2018	55.4565811157227
2019	56.9259300231934
2020	57.9019508361816
2021	56.8592185974121
2022	56.8528785705566