Year	% of enrollment
2002	2.9558
2003	2.73394
2005	2.85899
2006	2.06828
2007	1.5414
2011	3.37342
2012	2.5334
2013	3.50119
2014	3.19892
2015	2.42963
2016	2.41041
2017	2.27168
2018	2.14907