Year	% of total enrollment
1983	8.99325
1984	9.00555
1985	8.90105
1986	8.98913
1987	8.78654
1988	8.74601
1989	8.71124
1990	8.23904
1991	7.97126
1992	7.38112
1993	6.87666
1994	6.39285
1995	6.08231
1996	5.59606
1997	5.06098
1998	5.00586
1999	4.81741
2000	4.71429
2001	4.28202
2002	4.28649
2003	4.14606
2004	3.98396
2005	3.96268
2006	3.84619
2007	3.63856
2008	3.3348
2009	3.19136
2010	2.99232
2011	2.88951
2012	2.7616
2013	2.61051
2014	2.47402
2015	2.39856
2016	2.30922
2017	2.36529
2018	2.35995