Year	% female
1971	48.39792
1972	48.28025
1973	48.28
1974	48.05346
1975	48.21268
1976	48.38698
1977	48.54604
1978	48.69304
1979	48.80222
1980	48.99069
1981	48.84705
1982	48.92505
1983	48.61466
1984	48.40846
1985	48.42025
1986	48.33497
1987	48.19552
1988	48.00991
1989	48.00238
1990	48.27008
1991	48.24974
1992	48.08365
1993	48.2142
1994	48.33069
1995	48.34474
1996	48.13795
1997	48.40876
1999	48.39684
2000	48.502
2001	48.54566
2002	48.62439
2003	48.63365
2004	48.75022
2005	48.66687
2006	48.75398
2007	48.60085
2008	48.75262
2009	48.56278
2010	48.58045
2011	48.51115
2012	48.58675
2013	48.61751
2014	48.57234
2015	48.64709
2016	48.80365
2017	48.76839