Year	% of enrollment
1971	11.71791
1972	11.32998
1974	11.0814
1976	11.39205
1977	10.69633
1979	10.12439
1982	8.32827
1991	5.02298
1992	3.99936
1993	4.06485
1995	4.64461
2003	1.78655
2008	2.30234
2009	1.49563
2010	1.25754
2011	1.18587
2012	1.19274