Year	% of enrollment
1988	20.70005
1999	36.43361
2000	39.6084
2003	22.80838
2004	22.8084
2011	30.80863
2012	28.65114
2014	28.16658
2015	27.27237
2016	27.71623
2017	28.52365
2019	27.96354