Year % female 1970 22.8303298950195 1971 22.7052803039551 1972 22.6121501922607 1973 22.7245101928711 1974 23.5631504058838 1975 23.7201900482178 1976 23.9948501586914 1977 24.7275199890137 1978 25.6127109527588 1979 26.3909606933594 1980 27.5994491577148 1981 28.0807800292969 1982 28.3022403717041 1983 28.6338500976562 1984 28.6164798736572 1985 29.0308895111084 1986 29.4293098449707 1987 29.7268009185791 1988 31.7973804473877 1989 32.0775299072266 1990 32.5700416564941 1991 32.5174903869629 1992 33.0327796936035 1993 33.5441589355469 1994 34.4545288085938 1995 34.4112091064453 1996 34.7547798156738 1997 34.7148704528809 1998 34.7940406799316 1999 35.508861541748 2000 36.3405113220215 2001 36.6365394592285 2002 36.984920501709 2003 37.2577209472656 2004 37.9886016845703 2005 38.8643989562988 2006 39.4039993286133 2007 40.5155487060547 2008 41.3402214050293 2009 41.5071907043457 2010 42.5079116821289 2011 43.4092788696289 2012 43.5579490661621 2013 44.259391784668 2014 44.8713684082031 2015 45.8211517333984 2016 46.1253890991211 2017 46.2174911499023 2018 45.7769012451172 2019 46.3162117004395 2020 46.856689453125 2021 46.6470718383789 2022 46.6428604125977