Year	% female
1974	51.57676
1975	51.75234
1976	51.82741
1979	52.33283
1980	51.85084
1983	52.62953
1991	52.65516
1993	55.62304
1994	56.69925
1995	57.24532
1996	56.85248
1997	57.34463
1998	56.78594
1999	55.45171
2000	54.74213
2001	54.386
2002	53.91065
2003	53.08114
2004	52.51131
2005	52.37805
2006	52.13051
2009	51.33506
2010	51.28396