Year	% of total enrollment
2005	3.06267
2006	2.19942
2007	5.2542
2008	4.42076
2009	4.35469
2010	4.31282
2011	4.20065
2012	3.34948
2013	2.5873
2014	2.27847
2015	1.64413
2016	2.32684
2017	2.2451
2018	1.86497