Year	% of enrollment
2001	13.24499
2002	14.22733
2003	15.10607
2004	15.81681
2005	15.47478
2006	15.30177
2007	15.58238
2008	16.15837
2009	16.70669
2010	17.10989
2011	16.98221
2012	16.21641
2013	15.94034
2014	15.90244
2015	16.15326
2016	16.00475
2017	15.82774