Year % female 1970 23.4826698303223 1971 23.5419998168945 1972 24.4242191314697 1973 24.3007793426514 1974 24.8259601593018 1975 25.3893604278564 1976 25.7620906829834 1977 26.0549392700195 1978 26.3438396453857 1979 26.3971691131592 1980 26.8509292602539 1981 27.3871192932129 1982 27.7042808532715 1983 28.007230758667 1984 28.3794403076172 1985 28.8297805786133 1986 29.2717208862305 1987 29.84255027771 1988 29.9853591918945 1989 30.2427005767822 1990 30.8926296234131 1991 31.1569499969482 1992 31.5271396636963 1993 32.0238494873047 1994 32.1756286621094 1995 32.3791618347168 1996 32.6877517700195 1997 33.043399810791 1998 33.4502296447754 1999 33.8216514587402 2000 33.9230918884277 2001 34.0351409912109 2002 33.8222999572754 2003 34.2454795837402 2004 33.9473686218262 2005 34.6937484741211 2006 36.1078414916992 2007 37.0900993347168 2008 38.1054000854492 2009 39.0331192016602 2010 39.8037605285645 2011 40.9904098510742 2012 42.664909362793 2013 44.3941383361816 2014 43.1282501220703 2015 43.157299041748 2016 43.3528099060059 2017 44.3012008666992 2018 45.0895309448242 2019 46.0873985290527 2020 46.5600395202637 2021 46.8741989135742 2022 47.2396087646484