Year % of total enrollment 1995 4.55634 1996 3.88818 1997 3.44255 1999 2.10496 2000 2.05635 2001 1.83369 2002 1.5446 2003 1.1949 2004 0.17303 2005 0.68813 2007 0.54907 2008 0.46404 2009 0 2010 0 2011 0.5771 2012 0.68758 2013 0.20562 2014 0.20408 2015 0.20547 2016 0.14843 2017 0.0767 2018 0.07108