Year	% of enrollment
1975	23.10439
1977	25.15913
1988	26.39209
1996	20.99704
1997	18.74582
1998	17.85854
1999	17.04567
2000	17.85425
2001	18.86583
2002	18.14536
2003	18.14546
2011	27.00437
2013	8.75717
2015	12.08006
2016	13.89029
