Year	% of male primary school age
1973	52.2343482971191
1974	50.4325485229492
1975	49.1682014465332
1976	47.7562217712402
1977	45.4289588928223
1978	42.5217399597168
1979	39.4011192321777
1980	38.0774116516113
1981	37.1098403930664
1982	36.8069610595703
1983	36.3443183898926
1984	36.7052688598633
1985	37.7491912841797
1986	39.392391204834
1987	40.5927505493164
1988	41.5494613647461
1989	42.4940986633301
1990	42.8220405578613
1991	42.2191581726074
1992	42.6007690429688
1993	42.0750198364258
1994	41.7273406982422
1995	40.3378295898438
1996	42.1077613830566
1997	39.2622489929199
1998	38.9074897766113
1999	38.7562408447266
2000	36.7103004455566
2001	34.5079689025879
2002	31.6449298858643
2003	28.4616298675537
2004	26.7335300445557
2005	25.6125392913818
2006	24.2124691009521
2007	21.2651996612549
2008	21.2275390625
2009	20.6886806488037
2010	21.45999
2011	20.40067
2012	20.13757
2013	20.16467
2014	19.60767
2015	19.69523
2016	19.42039
2017	19.29869
2018	18.97032