Year % of total enrollment 1994 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 3.52003 2011 3.74446 2012 3.35735 2013 3.19797 2014 2.96799 2015 3.15719 2016 3.32735 2018 3.23007