Year % of female population ages 15+ (national estimate) 1965 8.94 1970 9.98 1975 14.87 1980 20.22 1983 23.98 1985 31.08 1988 34.33 1995 43.51 1996 32.41 1997 33.2 2003 46.82 2005 45.81 2006 55.5 2007 56.8 2009 55.95 2010 59.47 2015 56.85 2016 49.89