Year	% of total enrollment
1970	16.61191
1971	16.13698
1972	16.02593
1973	15.3733
1974	15.35765
1982	13.17967
1983	12.70527
1984	12.33472
1985	16.95325
1986	16.95325
1987	12.33472
1988	12.33472
1989	12.33472
1990	11.43768
1991	11.38588
1992	12.33001
1993	7.30797
1994	9.22079
1995	9.30746
1996	7.23095
1998	4.63326
1999	5.20321
2000	5.35442
2001	6.6195
2002	6.62171
2004	4.29729
2005	4.10633
2006	3.8405
2007	3.71155
2008	3.47258
2009	1.97816
2010	1.9439
2011	2.5377
2012	2.46457
2013	1.47777
2014	1.57124
2015	2.32054
2016	1.986
2017	2.22959
2018	1.79565