Year	% female
1971	24.15062
1972	24.27194
1976	41.07761
1977	40.91004
1978	42.02544
1986	38.57812
1987	42.60549
1988	40.82674
1989	47.47837
1990	42.38388
1991	44.46743
1992	41.15041
1993	44.91959
1994	39.10239
2016	21.51192
2017	19.59635
2018	17.84159