Year % of total enrollment 1994 1.97726 1995 1.87285 1999 1.37325 2000 1.20392 2001 1.10205 2002 0.89365 2003 0.75015 2006 0.56866 2007 0.49249 2008 0.4258 2009 0.38871 2011 0.36656 2012 0.36159 2013 0.36727 2014 0.38222 2015 0.30472 2016 0.27733 2017 0.28838