Annual % female
1970 41.0828399658203
1971 40.9918403625488
1972 41.2788505554199
1973 41.019458770752
1974 41.2532806396484
1975 41.2830581665039
1976 41.2879295349121
1977 41.3341407775879
1978 41.0641403198242
1979 40.6943702697754
1980 40.5348892211914
1981 40.3684196472168
1982 39.8086395263672
1983 39.5741691589355
1984 39.8419990539551
1985 40.3055000305176
1986 40.5387802124023
1987 41.0207405090332
1988 41.2088012695312
1989 41.6604499816895
1990 41.8811187744141
1991 41.7102508544922
1992 41.7911415100098
1993 41.9187202453613
1994 42.2061195373535
1995 42.4036712646484
1996 42.5163192749023
1997 42.6258392333984
1998 42.9196891784668
1999 43.317928314209
2000 43.0008392333984
2001 43.1865386962891
2002 42.8299102783203
2003 43.0425605773926
2004 42.6492805480957
2005 42.5163803100586
2006 43.3974494934082
2007 43.5772285461426
2008 44.0346412658691
2009 44.6281700134277
2010 45.0420989990234
2011 45.5372695922852
2012 46.7010498046875
2013 47.6245994567871
2014 46.7906494140625
2015 46.851879119873
2016 46.9503211975098
2017 47.4966087341309
2018 47.9001388549805
2019 48.5597686767578
2020 49.0013618469238
2021 49.2872695922852
2022 49.5543594360352