Year % female 1976 43.45046 1978 43.64768 1979 43.50462 1980 41.81097 1981 41.49046 1982 41.27351 1983 41.72267 1984 41.69522 1985 41.7603 1986 41.40661 1987 41.50518 1988 40.76238 1989 40.22203 1990 39.38722 1991 39.54554 1994 37.11375 1995 30.86737 1998 28.3419 1999 29.66365 2000 30.9289 2001 30.31671 2002 31.38145 2003 30.80183 2004 33.59274 2006 36.92776 2007 36.20775 2008 35.45461 2009 35.09558 2010 30.95071 2011 25.66187 2012 22.20542 2013 21.80912 2014 22.18433 2015 16.25806 2016 15.95874 2017 15.42824 2018 15.60301