Year	% of enrollment
1970	18.82202
1972	16.52738
1973	16.52737
1975	13.82496
1976	13.46606
1978	14.5332
1979	15.32069
1980	14.80323
1981	14.52659
1982	13.91114
1985	13.6735
1986	13.81709
1987	13.60166
1989	14.04921
1990	14.31257
1991	14.94252
1992	14.14014
1993	14.02513
1994	14.75541
1995	13.79584
1996	12.21358
2011	12.00132
2012	12.49818
2013	12.62532
2014	13.17825
2015	12.25544
2016	12.10663
2017	9.17487
2018	13.67632