Year % of female enrollment 1970 13.39281 1971 12.62662 1972 13.26853 1973 12.87697 1974 12.37653 1975 11.52002 1976 11.6473 1977 11.79202 1978 12.17083 1979 11.16663 1980 12.53567 1981 12.27144 1982 12.34539 1983 12.05506 1984 11.85663 1985 11.73999 1986 11.90978 1987 11.17919 1988 11.24131 1989 11.09793 1990 10.98325 1991 10.91203 1992 10.56606 1993 10.72673 1994 10.74223 1995 11.45289 1996 11.44914 1997 11.02546 1998 11.26745 1999 11.29906 2000 11.36849 2001 10.2011 2002 9.92084 2003 9.30102 2004 9.26614 2005 8.78769 2006 7.93848 2007 7.0365 2008 6.24464 2009 5.72574 2010 5.27692 2011 5.05654 2012 5.01064 2013 4.60864 2014 4.05471 2015 3.91458 2016 3.76775 2017 3.97455 2018 3.90539