Year	% female
1971	15.1359701156616
1972	15.2828798294067
1973	15.6185703277588
1974	14.4731197357178
1975	15.4561595916748
1976	17.3904991149902
1978	23.2359600067139
1979	24.6633491516113
1980	24.6205501556396
1981	24.9652099609375
1982	25.7395992279053
1983	27.0569000244141
1984	27.6175804138184
1985	29.3681297302246
1986	29.7869606018066
1987	32.3995895385742
1988	32.8038787841797
1989	31.9419708251953
1990	32.8315200805664
1991	32.4227981567383
1992	33.1108016967773
1993	33.9581909179688
1994	33.971851348877
1995	33.4284400939941
1999	41.8604698181152
2000	36.5015182495117
2001	37.5890693664551
2002	37.5936584472656
2003	43.0033302307129
2004	44.5452003479004
2006	47.1314392089844
2007	44.3232116699219
2008	46.502799987793
2009	51.2220802307129
2010	52.9379005432129
2011	53.8541297912598
2012	53.5063781738281
2015	62.0530014038086
2018	37.7231101989746