Year % of enrollment 1981 20.86134 1982 24.20911 1983 19.75782 1984 20.48774 1985 21.59118 1986 21.43401 1990 31.30506 1993 16.84437 1999 3.06477 2000 10.75867 2001 11.4242 2002 2.4445 2003 4.28519 2004 4.16859 2005 4.92088 2006 9.72719 2007 4.53968 2008 3.68708 2009 3.37346 2010 3.36191 2011 3.53551 2012 3.40634 2013 3.35249 2014 3.32639 2015 2.43728 2016 2.7972 2017 2.87779 2018 2.70253