Year % of total enrollment 1983 4.55004 1984 6.17914 1985 5.93829 1986 6.67326 1987 9.5171 1988 8.13287 1989 7.92872 1990 4.58357 1991 7.29408 1992 8.02386 1993 7.62209 1994 6.56588 1995 5.6414 1996 4.49558 1997 4.06029 1998 3.62821 1999 3.78908 2000 4.20595 2001 4.3189 2002 4.65144 2003 4.37523 2004 4.8223 2005 4.82754 2006 4.42469 2007 3.72224 2008 3.99758 2009 3.65665 2010 3.48372 2011 3.58414 2012 3.66704 2013 1.61962 2014 0.98196 2015 0.93668 2016 0.8222 2017 0.65277 2018 0.01004