Year % of female enrollment 1971 10.46205 1972 10.29814 1973 9.98464 1974 9.59762 1975 9.23275 1976 9.03643 1977 8.94973 1978 8.90899 1979 8.66357 1980 8.67405 1981 8.48622 1982 8.3449 1983 8.19204 1984 7.96636 1985 7.68051 1986 7.6401 1987 7.31213 1988 7.26475 1989 7.1629 1990 6.93429 1991 6.82581 1992 6.43575 1993 6.2434 1994 6.07025 1995 5.92934 1996 5.75269 1997 5.47484 1998 5.43306 1999 5.41087 2000 5.38178 2001 5.27148 2002 5.2184 2003 5.09307 2004 5.0064 2005 4.89317 2006 4.76322 2007 4.80019 2008 4.61262 2009 4.76556 2010 4.77187 2011 4.74994 2012 4.13436 2013 3.85358 2014 3.53655 2015 3.23768 2016 3.12116 2017 3.11362 2018 3.05871