Year	% of enrollment
2007	1.13913
2008	1.22516
2009	1.0802
2010	0.92799
2011	1.0256
2012	0.9751
2013	0.92741
2014	1.23444
2015	1.05097
2016	0.90763
2017	0.44897
2018	0.4024