Year	% of total enrollment
1992	6.76662
1995	10.31553
1996	10.02875
1999	9.65143
2000	9.52041
2001	9.83954
2003	9.4348
2004	10.78864
2005	11.61064
2006	10.35788
2007	9.40499
2008	8.22403
2009	8.1799
2010	7.54416
2011	8.24278
2012	7.58884
2013	7.20332
2014	6.86637
2015	7.29183
2016	6.81406
2017	6.77318
2018	6.67993