Year	% of enrollment
1970	0
1971	0
1972	0
1973	15.10601
1978	22.15152
1980	24.10333
1981	23.86441
1982	23.88861
1983	20.9673
1984	18.84605
1985	17.17124
1986	18.86919
1987	19.25804
1988	20.91324
1993	22.95334
2000	24.40248
2001	14.89918
2002	20.23897
2003	21.91999
2004	24.92101
2005	24.63295
2006	23.01453
2007	22.91266
2008	18.64157
2009	27.88151
2010	28.20952
2017	17.22753
2018	17.05807