Year	% of enrollment
1973	22.06032
1979	54.20618
1981	55.42073
1982	61.8442
1983	40.10814
1985	39.63908
1986	40.37559
1987	32.06718
1988	31.98124
1989	30.45369
1990	29.05989
1991	28.89481
1992	29.39625
1993	28.72853
1994	29.24907
1995	29.93264
1998	24.28464
1999	24.72383
2000	25.16031
2001	25.14829
2002	32.87372
2004	25.16663
2005	24.40963
2006	22.66169
2007	22.14951
2008	21.83263
2009	20.84072
2010	20.17142
2011	19.1588
2012	17.92772
2013	17.58648
2014	16.43708
2015	15.75503
2016	16.45715
2017	16.63962
2018	16.58509