Year	% female
1990	51.74273
1991	51.69143
1992	51.7511
1993	52.00914
1994	51.72786
1995	50.35475
1996	50.13594
1997	50.09237
1999	49.52001
2000	49.84393
2001	49.85995
2002	49.87872
2003	50.03264
2004	50.25349
2005	50.09266
2006	50.06041
2007	49.87569
2008	49.82863
2009	49.68363
2010	49.56261
2011	49.47582
2012	49.30767
2013	49.11966
2014	49.02207
2015	48.84764
2016	48.5623
2017	48.36115
2018	48.3041