Annual % female
1970 20.1715507507324
1971 20.2042102813721
1972 20.099760055542
1973 20.3789291381836
1974 20.5702705383301
1975 20.5800590515137
1976 20.7887096405029
1977 21.2917308807373
1978 20.9119300842285
1979 21.3098392486572
1980 21.3512592315674
1981 21.7514591217041
1982 19.1908893585205
1983 19.9709491729736
1984 21.0562496185303
1985 22.2280693054199
1986 23.8656692504883
1987 25.0282001495361
1988 24.9886703491211
1989 25.2556495666504
1990 25.4180297851562
1991 24.8411102294922
1992 25.8307304382324
1993 26.4079303741455
1994 27.0509300231934
1995 26.3810901641846
1996 26.1672992706299
1997 25.9614791870117
1998 25.605770111084
1999 25.2377700805664
2000 25.6421298980713
2001 25.871919631958
2002 23.8817901611328
2003 25.4871597290039
2004 23.8691997528076
2005 22.6159191131592
2006 26.6774005889893
2007 23.6446208953857
2008 27.5868396759033
2009 29.2246894836426
2010 31.2720203399658
2011 33.8470611572266
2012 32.1843414306641
2013 33.5680885314941
2014 32.0895690917969
2015 32.6508102416992
2016 31.8665199279785
2017 32.2747611999512
2018 32.7488708496094
2019 34.4009399414062
2020 35.8305816650391
2021 35.9660301208496
2022 35.9110908508301