Year	% female
1970	40.4201698303223
1971	42.7453804016113
1972	43.6400489807129
1973	42.7635917663574
1974	42.9924201965332
1975	43.2364082336426
1976	44.3120918273926
1977	44.6905212402344
1978	46.1923789978027
1979	44.1158714294434
1980	45.4817504882812
1981	48
1982	49.089958190918
1983	50.6835899353027
1984	54.6546516418457
1986	54.1123580932617
1988	58.788990020752
1989	60.943000793457
1991	56.7833290100098
1992	57.672779083252
1993	59.3348503112793
1994	60.1010093688965
1995	58.1395301818848
1998	65.6269302368164
1999	66.3010406494141
2000	67.3585968017578
2001	69.4665832519531
2002	70.5316696166992
2003	72.5298004150391
2004	73.7508773803711
2005	71.1741409301758
2006	73.3641128540039
2007	73.8423385620117
2008	74.5201721191406
2009	75.8491592407227
2010	75.9240188598633
2011	75.8352813720703
2012	75.7305603027344
2013	76.7490005493164
2014	76.697998046875
2015	77.3119964599609
2016	77.5510025024414
2017	77.4810028076172
2018	77.7890014648438
2019	78.0770034790039
2020	78.1119995117188