Annual % 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