Year	% of enrollment
1975	16.40736
1976	15.81032
1977	16.32897
1979	18.29504
1980	16.85789
1981	16.77354
1982	17.6113
1999	6.68383
2000	4.31459
2001	4.08574
2002	3.53241
2003	3.66157
2004	2.86669
2005	2.90223
2006	2.54713
2007	3.41317
2008	2.74824
2009	3.29243
2011	4.07963
2012	5.40275
2014	5.09422
2015	4.79098
2016	6.66394