Year % of enrollment 1978 24.47365 1979 20.45128 1980 19.37224 1981 19.03023 1982 18.21732 1983 18.14134 1984 19.42973 1985 20.38747 1986 11.03427 1988 12.63474 1989 13.36556 1990 14.75008 1992 14.5404 1994 14.04693 1996 12.24915 1997 10.15084 1998 11.33951 1999 11.84007 2000 11.83999 2003 9.46109 2004 18.0361 2005 18.26615 2006 15.93897 2007 16.26533 2008 15.81027 2009 15.24853 2010 14.18319 2011 12.58854 2012 10.54989 2013 8.09428 2014 10.60691 2015 7.56827 2016 11.30558 2017 10.4256