Year % of enrollment 1987 24.67955 1988 25.04202 1989 25.04197 1994 23.31052 1995 23.3345 1996 24.11644 1998 31.68268 1999 26.95115 2000 22.99334 2001 24.89345 2002 25.13011 2003 25.53188 2004 24.30093 2005 21.18884 2006 21.23776 2007 20.32094 2008 19.26767 2009 18.45643 2010 19.4568 2011 17.47126 2012 15.93591 2014 13.37524 2015 12.12287