Year	% female
1971	48.48577
1972	48.46879
1973	48.44131
1974	48.60127
1975	48.67495
1976	48.61248
1977	48.71715
1978	48.69824
1979	48.51264
1980	48.43912
1981	48.62376
1983	48.84978
1984	49.11277
1985	48.95573
1986	48.91171
1987	48.92815
1988	48.95591
1993	48.8944
1994	49.00946
1995	49.00777
1996	48.98323
1997	48.96593
1998	49.06378
1999	49.11291
2000	49.00811
2001	49.11962
2002	49.07986
2003	49.06049
2004	49.01815
2005	48.97989
2006	48.93647
2007	48.9965
2008	49.39326
2009	49.09032
2010	48.98238
2011	49.03322
2012	49.12732
2013	49.04825
2014	49.01165
2015	49.03968
2016	49.13981
2017	49.21297
2018	49.3201