Year % of female enrollment 1970 13.41138 1971 12.53116 1972 12.95082 1973 12.81413 1974 12.48483 1975 11.7292 1976 11.95296 1977 12.23328 1978 12.61752 1979 11.53646 1980 12.9088 1981 12.59354 1982 12.63616 1983 12.34934 1984 12.13594 1985 12.00755 1986 12.15865 1987 11.40195 1988 11.42099 1989 11.29554 1990 11.18334 1991 11.1227 1992 10.77045 1993 10.93369 1994 10.95392 1995 11.6725 1996 11.67252 1997 11.23968 1998 11.4815 1999 11.51526 2000 11.58569 2001 10.38921 2002 10.09895 2003 9.46298 2004 9.42624 2005 8.93896 2006 8.07367 2007 7.15415 2008 6.3455 2009 5.81795 2010 5.35804 2011 5.13005 2012 5.08242 2013 4.67086 2014 4.10611 2015 3.96285 2016 3.81393 2017 4.02506 2018 3.95451