Year % of male population ages 15+ (national estimate) 1966 82.57 1975 80.42 1977 71.83 1983 33.76 1984 68.42 1985 69.42 1987 76.4 1996 77.46 1997 47.32 2000 46.95 2009 68.66 2010 68.86 2012 67.8 2013 69.5 2014 66.232 2015 66.832 2016 66.487