Annual % female
1970 28.2810306549072
1971 28.1994495391846
1972 29.9971008300781
1973 31.053689956665
1974 31.8066101074219
1975 32.855899810791
1976 32.8434791564941
1977 33.4269981384277
1978 32.719970703125
1979 32.2520790100098
1980 31.9545307159424
1981 32.0936088562012
1982 32.1649589538574
1983 32.2600708007812
1984 34.3186492919922
1985 34.5448684692383
1986 35.2039413452148
1987 35.9714813232422
1988 36.6894302368164
1989 37.4711112976074
1990 38.5737113952637
1991 38.9932289123535
1992 39.5097808837891
1993 39.7362213134766
1994 40.2580604553223
1995 40.6626892089844
1996 40.9065704345703
1997 40.9880218505859
1998 41.8301811218262
1999 42.5954895019531
2000 42.4598503112793
2001 42.7261390686035
2002 43.0517997741699
2003 43.6209411621094
2004 43.7427597045898
2005 44.1659317016602
2006 44.5345497131348
2007 44.8317489624023
2008 45.1797790527344
2009 45.4724502563477
2010 45.698600769043
2011 45.8844184875488
2012 46.2334518432617
2013 46.2621307373047
2014 46.3570213317871
2015 46.4952697753906
2016 46.629020690918
2017 46.88916015625
2018 47.2140998840332
2019 47.2878913879395
2020 47.4947700500488
2021 47.5989112854004
2022 48.1145706176758