Year	% of enrollment
1992	6.28034
1993	6.82843
1999	6.32031
2004	9.31799
2005	9.92443
2006	9.84104
2007	11.42988
2008	11.22906
2009	10.41159
2010	9.3475
2011	9.01587
2012	10.46583
2013	8.99112
2014	9.1689
2015	7.26489
2016	7.39194
2018	8.52427