Year	% of male primary school age
1972	45.873420715332
1973	43.929931640625
1974	43.4572715759277
1975	42.4828796386719
1976	41.6096611022949
1977	40.1725692749023
1978	39.1704483032227
1979	37.6856498718262
1980	36.5415687561035
1981	35.3704490661621
1982	34.6485214233398
1983	34.0382881164551
1984	34.9950103759766
1985	35.6535110473633
1986	36.7383003234863
1987	37.2464790344238
1988	36.9272994995117
1989	37.4454307556152
1990	37.9538803100586
1991	37.2242088317871
1992	37.0805511474609
1993	36.7754096984863
1994	36.3504486083984
1995	35.5039215087891
1996	35.9293403625488
1997	34.3326988220215
1998	33.9809303283691
1999	33.9522399902344
2000	31.8545303344727
2001	30.4018306732178
2002	28.5083599090576
2003	26.5928592681885
2004	24.346700668335
2005	22.6300106048584
2006	22.4150905609131
2007	20.1724491119385
2008	19.7497692108154
2009	19.3664703369141
2010	19.95595
2011	19.26407
2012	19.07927
2013	18.29394
2014	17.54679
2015	18.06185
2016	17.37631
2017	17.13894
2018	16.37488