Year	% of enrollment
1973	23.26534
1974	24.34345
1976	22.83875
1977	22.39147
1978	20.86757
1980	20.71777
1981	20.09164
1984	16.96399
1985	18.8543
1986	18.75502
1987	18.7031
1990	16.54514
1991	17.3436
1992	14.94196
1993	13.64114
1994	18.31181
1995	13.93193
1996	11.8315
1999	13.15811
2000	14.73349
2001	12.94425
2002	10.30328
2003	10.14362
2004	10.92151
2005	10.8521
2006	10.62555
2007	9.13904
2008	8.68669
2009	7.99382
2010	7.38676
2011	7.01654
2012	6.83473
2013	8.62801
2014	8.92546
2015	8.8265
2016	8.47667
2017	8.08109