Year	% of enrollment
1973	9.65686
1974	10.83695
1977	9.83983
1978	9.72295
1981	11.35566
1986	3.62629
1989	8.97771
1990	10.22654
1991	11.42022
1992	17.49933
1997	11.64395
1998	11.48434
1999	10.1707
2000	14.0333
2001	9.35608
2002	7.97806
2003	6.26522
2004	5.32288
2005	8.33687
2006	9.54636
2007	11.35325
2008	8.94828
2009	7.22816
2010	6.38147
2011	5.35603
2012	6.01481
2013	6.86342
2014	8.28328
2015	8.36723
2016	8.09818
2017	7.85694