Year % of total enrollment 1974 26.90883 1977 30.54405 1978 29.42589 1980 15.09145 1981 4.1792 1982 9.62217 1984 5.12998 1985 5.12407 1993 8.99976 2016 3.62815 2017 3.68318 2018 4.07978