Year	% of total enrollment
1975	6.18172
1976	6.14679
1977	5.86939
1978	5.63499
1979	6.13595
1983	5.98332
1999	4.96317
2001	4.53316
2004	4.30599
2005	4.39799
2006	4.20253
2007	3.99518
2008	3.81701
2010	0
2011	0
2012	0
2013	3.22837
2014	3.60096
2015	3.97272
2016	3.89614
2017	3.61262