Year	% female
1971	22.7326908111572
1972	24.3723106384277
1973	24.3197002410889
1974	25.4395694732666
1975	24.4375095367432
1976	24.1581001281738
1977	23.2558097839355
1978	22.8154792785645
1979	22.7231006622314
1980	24.0137500762939
1981	24.6188106536865
1982	24.7517509460449
1983	26.7672100067139
1986	30.2594890594482
1987	31.1090106964111
1988	31.1959896087646
1989	31.2528705596924
1990	31.4714794158936
1991	31.706750869751
1992	31.887939453125
1993	32.5439300537109
1994	32.3978805541992
1995	32.7904586791992
1997	33.025260925293
1999	34.6355285644531
2002	36.6867713928223
2003	37.0679512023926
2004	37.8889389038086
2005	38.2893218994141
2006	38.7545013427734
2007	39.2784004211426
2008	40.3499183654785
2009	40.6560897827148
2010	40.9107704162598
2011	40.8978004455566
2012	41.1312789916992
2013	41.5650596618652
2014	42.7789115905762
2015	43.0636100769043
2016	43.2726287841797
2017	44.0192909240723
2018	44.4249801635742
2019	44.7532005310059
2020	45.0943908691406
2021	45.3387908935547