Annual % female
1970 35.586669921875
1971 34.8489608764648
1972 35.7390785217285
1973 36.3753089904785
1974 36.630500793457
1975 36.5790100097656
1976 37.5642395019531
1977 37.4238090515137
1978 37.0370216369629
1979 37.0446090698242
1980 38.1922798156738
1981 38.3439407348633
1982 37.428150177002
1983 38.396240234375
1984 39.5819892883301
1985 40.6602401733398
1986 41.5330009460449
1987 40.3318481445312
1988 41.4083404541016
1989 42.8815498352051
1990 42.3974609375
1991 42.8352394104004
1992 44.0784606933594
1993 44.4675598144531
1994 45.5013694763184
1995 45.9904518127441
1996 47.0311584472656
1997 47.7914199829102
1998 48.476131439209
1999 48.9587287902832
2000 49.1251602172852
2001 49.0120582580566
2002 49.456371307373
2003 48.5224113464355
2004 50.7359313964844
2005 50.8820915222168
2006 50.8081283569336
2007 50.155948638916
2008 50.8092498779297
2009 50.6629981994629
2010 51.2352905273438
2011 51.8614196777344
2012 52.4083099365234
2013 52.6554985046387
2014 52.8603096008301
2015 53.8624992370605
2016 54.2520790100098
2017 55.3519706726074
2018 55.4565811157227
2019 56.9259300231934
2020 57.9019508361816
2021 56.8592185974121
2022 56.8528785705566