Year	% of enrollment
1977	13.91219
1978	18.42964
1981	12.067
1985	11.92478
1998	12.98638
1999	11.55188
2000	10.57654
2001	9.49725
2002	9.00771
2005	6.71601
2006	6.4054
2008	4.12323
2009	3.5206
2010	2.87638
2011	2.75147
2012	3.48963
2013	3.48963
2014	1.91197
2015	1.86799
2016	1.64549
2017	1.40508
2018	1.21578