Year	% female
1970	36.39144
1971	41.36905
1994	49.99299
1995	50.43325
1996	50.18913
1997	50.83018
1998	50.6392
1999	51.12757
2000	51.25437
2001	50.97736
2002	52.57638
2003	51.58675
2004	51.9288