Year	% of enrollment
1972	27.24151
1974	24.30186
1976	23.85107
1978	21.52018
1979	21.25788
1980	32.17394
1981	32.10691
1982	32.14202
1983	32.12352
1984	32.09122
2005	46.39279
2006	47.06261
2010	13.39667
2012	15.17782