Year	% of total enrollment
1996	3.82128
2000	3.93223
2001	4.05239
2003	2.81416
2004	2.23588
2007	1.3492
2008	1.19576
2009	1.37017
2010	0.9685
2011	0.87221
2012	0.79664
2013	0.74461
2014	0.73319
2015	0.84089
2016	0.76519
2017	0.92544
2018	0.84806