Year % female 1970 66.0249633789062 1971 66.0927734375 1972 65.3987808227539 1973 66.9061508178711 1974 67.0641784667969 1975 67.0223617553711 1976 67.0000915527344 1977 66.9598770141602 1978 66.5700225830078 1979 67.2512435913086 1980 66.4588394165039 1981 66.1756973266602 1982 68.6661529541016 1983 68.3197326660156 1984 69.2971801757812 1985 69.400749206543 1986 69.8265762329102 1987 70.5069122314453 1988 70.6083068847656 1989 71.4742889404297 1994 76.1773910522461 1995 77.0857467651367 2007 80.9226226806641 2008 81.2727279663086 2009 81.4420928955078 2014 81.3870010375977 2015 81.2259979248047 2016 80.4881134033203 2017 80.5560836791992 2018 80.4958877563477 2019 80.7313385009766 2020 80.6636810302734 2021 80.8094482421875