Year % of female enrollment 1970 6.44662 1971 6.81626 1972 6.37929 1973 5.89713 1974 5.57308 1975 5.16223 1976 4.57035 1977 4.53875 1978 4.59419 1979 4.4706 1980 4.50203 1981 4.44807 1982 4.48611 1983 4.40726 1984 4.10216 1985 4.09449 1986 3.86308 1987 3.94428 1988 3.39981 1989 3.34848 1990 3.12642 1991 3.02104 1992 2.72488 1993 2.76098 1994 2.586 1995 2.49707 1996 2.41478 1997 2.38245 1998 2.3101 1999 2.31723 2000 2.29502 2001 2.26351 2002 2.21447 2003 2.1607 2004 2.1324 2005 2.10696 2006 2.12077 2007 2.08498 2008 2.16014 2009 2.04892 2010 2.0418 2011 2.03345 2012 1.99198 2013 1.96973 2014 1.95822 2015 1.94163 2016 2.03268 2017 1.95516 2018 1.87595