Year	% female
1971	24.7727298736572
1972	20.1604804992676
1973	20.5365390777588
1974	18.3304595947266
1975	17.8277206420898
1976	16.4014701843262
1977	13.1883401870728
1978	12.24232006073
1979	12.7326898574829
1980	13.6151695251465
1982	12.6649703979492
1983	13.4069404602051
1984	12.608790397644
1986	12.847620010376
1987	12.1383399963379
1988	11.9341602325439
1989	11.8471603393555
1990	11.9261999130249
1991	11.7764902114868
1995	11.4091196060181
1999	13.1311597824097
2000	10.8862600326538
2003	6.89622020721436
2004	6.92718982696533
2005	6.56158018112183
2006	6.19860982894897
2007	6.75464010238647
2020	6.69640016555786
2021	7.09792995452881