Year	% of enrollment
1971	27.38067
1972	29.04004
1975	24.80741
1979	20.82992
1983	20.62996
1984	20.62994
1988	21.99283
1991	21.98076
1992	22.0612
1993	24.26141
1994	19.59825
1995	15.84845
1999	28.80079