Year	% of primary school age children
1971	7.43154
1972	7.88891
1977	9.34184
1978	9.67422
1979	10.08639
1980	10.8048
1981	11.48837
1982	12.50584
1983	13.65414
1984	14.51375
1985	16.02022
1986	17.67218
1987	18.79343
1988	19.29117
1989	19.74278
1991	21.36674
1992	21.8341
1993	22.70059
1994	23.67345
1995	24.94242
1998	28.29705
1999	29.02473
2000	30.36826
2001	31.5537
2002	31.05662
2003	33.40368
2004	35.84748
2005	40.6743
2006	44.51913
2007	49.9437
2008	56.46157
2009	59.93397
2011	62.77919
2012	64.39528
2013	65.70426
2014	67.00632
2015	68.75138
2016	74.75263
2017	76.07373
2018	78.43496