Year	% female
1970	31.073600769043
1971	31.0219097137451
1972	32.3792610168457
1973	33.1428909301758
1974	33.7602310180664
1975	34.5530395507812
1976	34.5458717346191
1977	35.0825386047363
1978	34.2818908691406
1979	34.062068939209
1980	33.8473091125488
1981	33.9539184570312
1982	34.0070190429688
1983	34.0102691650391
1984	35.8779602050781
1985	36.1760215759277
1986	36.7397003173828
1987	37.4768218994141
1988	38.1856803894043
1989	39.038200378418
1990	40.0275917053223
1991	40.3582000732422
1992	41.0089988708496
1993	41.355281829834
1994	41.9152717590332
1995	42.3709983825684
1996	42.6590995788574
1997	42.8536109924316
1998	43.6959915161133
1999	44.4860992431641
2000	44.4478416442871
2001	44.8164710998535
2002	45.2275085449219
2003	45.7756309509277
2004	45.9896011352539
2005	46.4658889770508
2006	46.7782402038574
2007	47.0562705993652
2008	47.6184387207031
2009	47.6930198669434
2010	47.9514007568359
2011	48.084098815918
2012	48.4200782775879
2013	48.5863304138184
2014	48.5251808166504
2015	48.9372406005859
2016	48.9071998596191
2017	49.1675682067871
2018	49.5933494567871
2019	49.826789855957
2020	49.9659805297852
2021	50.101619720459
2022	50.5295486450195