Year	% of enrollment
1971	5.6172
1972	5.85388
1973	6.09521
1974	6.64044
1975	6.89539
1976	7.22234
1977	7.30137
1978	7.3508
1979	7.38577
1980	2.80121
1981	2.80637
1982	2.84622
1989	2.33925
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	2.65835
2005	1.6997
2006	1.59374
2007	1.43623
2008	1.09263
2009	1.12196
2010	1.09451
2011	1.0337
2012	1.05812
2013	1.10046
2014	1.12051
2015	1.1249
2016	1.12512
2017	1.11448