Year	% of enrollment
1970	6.65547
1971	7.20029
1972	2.6319
1974	8.77628
1975	7.9595
1978	9.95438
1982	9.90959
1983	14.5263
1984	16.14562
1985	18.02104
1986	17.9754
1990	13.91478
1993	15.07861
1998	16.95626
1999	18.82262
2001	6.82792
2004	10.54754
2005	8.80695
2006	6.26882
2012	2.98455
2013	5.50693
2014	6.48804
2015	0.90095