Year	% of enrollment
1971	12.14796
1972	12.04405
1977	12.81436
1978	13.57816
1979	13.67729
1980	14.00862
1981	13.57772
1982	12.74331
1983	13.43266
1984	13.74218
1985	12.28311
1986	11.91534
1987	13.36223
1988	12.10929
1989	12.32947
1991	14.07911
1992	13.84664
1993	13.02902
1994	12.66982
1995	12.31738
1998	16.8693
1999	14.79349
2000	11.48646
2001	10.01108
2002	9.78376
2003	10.87102
2004	8.9498
2005	8.10647
2006	7.97327
2007	7.72018
2008	7.98794
2009	9.75099
2010	22.34017
2011	20.47168
2012	20.59713
2013	20.95919
2014	21.1202
2015	20.23561
2016	15.26894
2017	15.82198
2018	15.78314