Year % of male enrollment 1970 4.02397 1971 3.89578 1972 3.90146 1973 3.69117 1974 3.44051 1975 3.17433 1976 2.85344 1977 2.74932 1978 2.70328 1979 2.65518 1980 2.68801 1981 2.61395 1982 2.61085 1983 2.50736 1984 2.39226 1985 2.33519 1986 2.30936 1987 2.33779 1988 2.22382 1989 2.10586 1990 1.9972 1991 1.98244 1992 1.94239 1993 1.92088 1994 1.85084 1995 1.83504 1996 1.82697 1997 1.79995 1998 1.78571 1999 1.75142 2000 1.70976 2001 1.68136 2002 1.65627 2003 1.62588 2004 1.60831 2005 1.62799 2006 1.60959 2007 1.61053 2008 1.63401 2009 1.60198 2010 1.58326 2011 1.59281 2012 1.58035 2013 1.59672 2014 1.60118 2015 1.58711 2016 1.6115 2017 1.55029 2018 1.56511