Year	% female
1971	13.15789
1973	14.58107
1974	14.77598
1975	14.16016
1977	8.84316
1985	36.80096
1986	35.33921
1987	39.20567
2000	37.17249
2001	36.80995
2002	33.09917
2003	24.7653
2004	41.86513
2011	38.47559
2013	40.18621
2014	39.12897
2015	33.5958
2016	33.8296