Year % female 1970 27.6439399719238 1972 26.3632907867432 1973 26.2326698303223 1976 26.8203506469727 1981 27.660680770874 1986 24.2521495819092 1987 23.6597805023193 1988 23.5194091796875 1989 24.2782707214355 1990 24.3076496124268 1991 22.7786808013916 1992 22.5148792266846 1993 20.4005603790283 1994 24.8829002380371 1995 24.9713096618652 1996 26.3979301452637 1997 26.4324607849121 2014 33.360710144043 2016 34.7741394042969 2017 34.8377799987793 2018 33.2815399169922 2019 33.2422790527344 2020 33.0424690246582