Year	% female
1971	8.43881988525391
1972	10.3846197128296
1973	14.1242904663086
1974	12.6829299926758
1975	10.738260269165
1976	11.8260898590088
1998	44.6713485717773
1999	43.3869781494141
2000	42.6259002685547
2001	49.2575492858887
2002	48.1707305908203
2003	47.8524513244629
2004	42.7952995300293
2005	44.6689109802246
2006	44.3431587219238
2007	44.6710891723633
2008	48.967830657959
2009	48.8521614074707
2010	47.3409309387207
2011	47.1973609924316
2012	48.1295585632324