Year	% of enrollment
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	23.13623
1977	0
1978	0
1979	0
1980	26.4669
1981	29.08609
1982	31.39027
1983	31.36179
1984	31.45452
1985	25.77404
1986	24.92112
1987	24.55991
1988	24.70465
1989	24.73423
1990	26.2066
1991	27.64379
1992	26.92444
1993	28.27595
1994	28.91496
1995	28.5379
1996	27.56771
1997	27.10437
1998	25.70139
1999	25.8224
2000	22.15701
2001	22.15699
2002	18.17321
2003	14.75427
2004	14.75427
2005	13.54307
2006	11.06424
2008	11.73077
2010	7.88724
2012	4.86874
2013	5.42314
2016	0