Year % of female enrollment 1970 10.61648 1971 7.95049 1972 8.47696 1973 11.27796 1974 11.50219 1975 11.91383 1976 11.72537 1977 13.7347 1983 6.78374 1997 3.36409 2011 3.67979 2012 3.51158 2013 3.35812 2014 3.02898 2015 2.66528 2016 2.45335 2017 2.19078