Year	% of enrollment
1971	25.11205
1972	25.62676
1973	22.75355
1974	16.38267
1977	19.00029
1999	14.27459
2002	8E-05
2003	11.45526
2004	16.97212
2005	13.25517
2006	9.98417
2007	10.88566
2009	7.8567
2010	6.9268
2011	6.92675
2012	7.28545
2013	7.91816
2014	7.90753
2015	11.56347
2017	7.36812
2018	7.08447