Year	% of male enrollment
1970	15.96332
1971	14.48808
1972	15.06819
1973	15.15905
1974	14.86982
1975	14.43405
1976	14.60581
1977	14.96857
1978	15.82077
1979	14.51681
1980	16.23045
1981	15.82902
1982	15.7388
1983	15.37585
1984	15.11428
1985	14.77979
1986	14.83306
1987	14.09278
1988	13.94961
1989	13.78325
1990	14.11693
1991	13.60506
1992	13.6945
1993	12.90577
1994	13.02154
1995	13.54554
1996	13.31175
1997	12.95123
1998	13.3766
1999	12.96832
2000	13.05518
2001	11.92354
2002	11.63873
2003	11.12947
2004	10.94714
2005	10.45177
2006	9.58371
2007	8.55081
2008	7.75296
2009	7.11615
2010	6.62537
2011	6.39614
2012	6.22266
2013	5.69123
2014	4.94123
2015	4.80145
2016	4.58901
2017	4.82202
2018	4.91091