Year	% of total enrollment
1972	33.04609
1973	37.02406
1975	34.66686
1976	34.03448
1977	33.74285
1978	34.81711
1979	35.11856
1980	35.40062
1981	34.83148
1982	33.84056
1983	32.49476
1984	33.08459
1985	32.12798
1987	35.8349
1988	31.28137
1989	33.75229
1992	33.4
1995	38.90607
1996	34.86735
1997	34.48322
2001	36.48697
2002	34.40581
2003	34.40582