Year	% of enrollment
1970	0
1971	0
1972	10.8573
1973	0
1974	0
1975	0
1976	11.96001
1977	12.03127
1978	12.75347
1979	13.03275
1980	13.73373
1981	12.89998
1982	13.58869
1983	14.06302
1984	14.87939
1985	0
1986	15.16607
1987	0
1988	15.09997
1989	0
1990	0
1991	0
1992	0
1993	0
1994	14.46951
1995	14.52625
1996	0
1997	0
1998	14.17958
1999	14.20203
2000	14.41967
2001	14.5002
2002	15.02611
2004	17.51601
2005	18.21143
2006	18.74233
2007	18.61799
2008	18.16802
2009	17.85558
2010	18.93905
2011	16.57109
2012	15.31114
2013	13.5749
2017	13.95118