Year	% of enrollment
1992	35.81693
1994	44.39374
1995	45.16356
1996	44.40418
1997	42.62951
1999	34.95074
2000	31.97462
2001	27.82173
2002	26.17462
2003	25.60681
2004	24.50526
2005	22.56273
2006	21.20254
2007	19.12191
2008	19.07819
2009	18.17385
2010	15.71948
2011	13.4761
2012	11.66749
2013	30.10661
2014	20.58357
2015	21.33133
2017	24.34663
2018	24.69057