Annual % female
1970 27.7160396575928
1971 27.6357803344727
1972 29.5322704315186
1973 30.6494407653809
1974 31.4295406341553
1975 32.5278587341309
1976 32.544979095459
1977 33.1587295532227
1978 32.4652404785156
1979 32.0053100585938
1980 31.7190895080566
1981 31.8708095550537
1982 31.9517803192139
1983 32.067081451416
1984 34.1574897766113
1985 34.3908081054688
1986 35.0653686523438
1987 35.8466606140137
1988 36.5716514587402
1989 37.3598594665527
1990 38.4775581359863
1991 38.9040184020996
1992 39.4244384765625
1993 39.6539611816406
1994 40.1825103759766
1995 40.5915794372559
1996 40.837329864502
1997 40.9188804626465
1998 41.7691917419434
1999 42.5422897338867
2000 42.4292793273926
2001 42.6530685424805
2002 43.0125389099121
2003 43.6006317138672
2004 43.6557884216309
2005 44.0665702819824
2006 44.4578018188477
2007 44.7707405090332
2008 45.1236915588379
2009 45.4230918884277
2010 45.6194190979004
2011 45.7986106872559
2012 46.148811340332
2013 46.1716690063477
2014 46.2646408081055
2015 46.3952293395996
2016 46.5391616821289
2017 46.7818794250488
2018 46.9973487854004
2019 47.0562400817871
2020 47.3093109130859
2021 47.393310546875
2022 47.9134216308594