Year % of female enrollment 1975 5.17762 1976 5.28681 1977 5.48057 1978 5.64342 1979 5.69473 1980 5.48763 1981 4.59764 1982 4.57161 1983 4.76211 1984 5.33103 1985 5.18691 1986 4.68094 1987 4.8736 1988 4.497 1989 4.35748 1990 4.32161 1991 4.36704 1992 4.43142 1993 4.46768 1994 4.63825 1995 4.77522 1996 4.82643 1997 4.66615 1998 4.31267 1999 4.25182 2000 5.01653 2001 4.50247 2002 3.77898 2003 3.65088 2004 3.75011 2005 3.94491 2006 3.13368 2007 3.39727 2008 3.89097 2009 4.04569 2010 4.04434 2011 3.75587 2012 3.78554 2013 3.73078 2014 3.71749 2015 3.83106 2016 3.82048 2017 3.72804 2018 3.60722