Year	% female
1972	27.9783306121826
1973	28.333610534668
1974	28.4451103210449
1975	28.1618309020996
1976	28.8651504516602
1977	29.0975208282471
1978	28.8932800292969
1979	28.0810298919678
1980	27.9469795227051
1981	27.5823307037354
1982	27.5972499847412
1983	28.0748996734619
1984	27.7229690551758
1985	27.9445095062256
1986	27.4502105712891
1987	27.3392105102539
1988	27.6313095092773
1989	27.054069519043
1990	27.0142498016357
1991	26.5124893188477
1992	27.2095108032227
1993	27.8449306488037
1994	28.5581703186035
1995	29.0796508789062
1996	29.5079193115234
1997	29.0636901855469
1998	28.5889301300049
1999	27.8754291534424
2000	27.8385906219482
2001	28.4828605651855
2002	28.252799987793
2003	28.1412601470947
2004	28.1862297058105
2005	29.2361507415771
2006	29.7159690856934
2007	30.8334693908691
2008	29.4452705383301
2009	30.2462902069092
2010	30.5105495452881
2011	30.7978496551514
2012	32.214729309082
2013	33.3792114257812
2014	34.7775993347168
2015	35.4392700195312
2016	35.5705413818359
2017	36.9098892211914
2018	37.8583106994629
2019	38.3016510009766
2020	39.0859489440918
2021	39.2597503662109
2022	39.7646217346191