Year % of total enrollment 1978 4.85192 1979 2.74599 1980 1.78903 1983 1.06596 1995 1.02648 1996 0.79075 1997 0.69216 1998 0.71646 1999 0.92096 2000 0.7698 2001 0.56182 2002 0.6292 2003 0.649 2004 0.60832 2005 0.4359 2006 0.32609 2007 0.49402 2008 0.17942 2009 0.10214 2010 0.06424 2011 0.1039 2012 0.10484 2013 0.06276 2014 0.05391 2015 0.07365 2016 0.32059 2017 0.11028 2018 0.06013