Year	% of enrollment
1981	18.99213
1982	19.91408
1983	18.36739
1984	17.25709
1985	15.41311
1986	15.23597
1987	15.99807
1988	12.666
1990	12.15744
1994	9.41629
1998	16.4867
2000	16.82308
2001	17.094
2002	17.86347
2003	17.02355
2004	17.04174
2005	16.54516
2006	16.90694
2007	15.79929
2008	15.69483
2009	14.79306
2010	13.83867
2011	13.3777
2012	12.13496
2013	11.36025
2014	10.58144
2015	9.2147
2016	8.63414
2018	10.19539