Year % of male population ages 15+ (national estimate) 1964 64.51 1980 54.83 1987 68.21 1989 55.61 1990 68.2 1992 67.07 1993 68.19 1994 64.47 1995 64.23 1999 61.12 2009 75.67 2010 76.94 2011 75.1 2012 73.54 2013 75.68 2014 76.2 2015 72.56 2016 67.337