Year	% of enrollment
1998	4.46979
1999	3.4971
2000	9.22549
2001	12.46872
2002	12.56148
2003	12.37611
2004	12.27185
2005	11.06607
2006	10.48836
2007	10.70587
2008	9.30064
2009	8.71957
2010	8.17047
2011	7.51471
2012	7.08535
2013	6.88146
2014	6.96358
2015	6.82086
2016	7.39406
2017	8.862
2018	7.0561