Year	% female
1970	29.0294399261475
1971	28.932689666748
1972	28.3382892608643
1973	28.34840965271
1974	29.0297203063965
1975	29.0314998626709
1976	29.2530708312988
1977	30.0938091278076
1978	31.0146999359131
1979	31.8536396026611
1980	33.2953796386719
1981	33.8551483154297
1982	34.3247184753418
1983	34.7022514343262
1984	34.7551612854004
1985	35.3009414672852
1986	35.7840194702148
1987	36.0816307067871
1988	37.7887496948242
1989	38.047721862793
1990	38.5438499450684
1991	38.4465103149414
1992	38.8866386413574
1993	39.2108688354492
1994	40.0466804504395
1995	39.9388885498047
1996	40.6857414245605
1997	40.3650283813477
1998	40.2345390319824
1999	40.4830894470215
2000	41.3064308166504
2001	41.3591499328613
2002	41.3373908996582
2003	41.1081085205078
2004	41.7347412109375
2005	42.1682014465332
2006	42.9525108337402
2007	43.3708992004395
2008	43.9708709716797
2009	44.0791282653809
2010	44.9565811157227
2011	45.8629188537598
2012	45.7552604675293
2013	46.0331382751465
2014	46.6223793029785
2015	47.4144897460938
2016	47.7143287658691
2017	47.8394889831543
2018	47.4699897766113
2019	48.0140800476074
2020	48.5433197021484
2021	48.4399604797363
2022	48.4176292419434