Year	% of enrollment
1999	12.56596
2000	11.25985
2001	12.57948
2002	14.0752
2003	13.95372
2004	14.54099
2005	12.11707
2006	12.84889
2007	11.98531
2008	12.03556
2009	9.33226
2010	11.69608
2013	11.45568
2014	11.45069