Year	% of total enrollment
1971	27.05484
1974	33.95748
1976	34.88494
1977	35.92054
1988	32.33979
1989	32.83883
1990	33.30245
1991	32.29461
1994	28.7608
1995	34.51002
1996	32.87579
1997	32.01661
1998	30.66594
1999	25.934
2000	24.56327
2001	25.51889
2002	25.25784
2003	23.83916
2004	20.23027
2005	22.45434
2006	21.80502
2007	21.80499
2008	22.82621
2009	22.82622
2010	22.35584
2011	21.64583
2012	22.99458
2013	24.31167
2015	23.32902
2016	16.82343