Year	% of enrollment
1981	21.58997
1989	23.632
1994	2.55645
1998	14.90136
1999	15.14869
2000	15.15109
2001	14.70588
2002	14.70777
2003	17.94963
2004	17.94661
2005	13.823
2015	25.79086