Year	% of enrollment
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	24.86118
1990	24.86111
1991	0
1992	27.55386
1993	0
1994	26.42513
1995	25.64594
1996	24.6595
1997	23.26562
1998	22.33197
1999	20.52094
2000	18.31145
2001	17.3321
2002	16.07528
2003	15.8528
2004	16.74541
2005	16.72324
2006	17.54134
2007	17.89269
2008	18.22819
2009	18.16745
2010	18.00903
2012	17.26401
2013	17.07569
2017	15.57541
2018	15.69615