Year	% of primary school age
1970	28.2477703094482
1971	28.3496894836426
1972	27.4883708953857
1973	25.2963905334473
1974	24.596040725708
1975	23.5003108978271
1976	22.8705596923828
1977	22.8317909240723
1978	23.8531894683838
1979	23.529109954834
1980	22.4136295318604
1981	21.5757102966309
1982	21.1331005096436
1983	20.8815498352051
1984	20.6375904083252
1985	20.0103302001953
1986	19.2416591644287
1987	18.9303092956543
1988	18.2687091827393
1989	17.5901107788086
1990	17.9211196899414
1991	17.5338001251221
1992	17.6675491333008
1993	17.5207290649414
1994	17.4379806518555
1995	17.7068996429443
1996	17.8760509490967
1997	17.6940898895264
1998	16.8238506317139
1999	15.7673196792603
2000	14.976900100708
2001	14.553879737854
2002	14.2075996398926
2003	12.7644500732422
2004	11.6346302032471
2005	10.7354097366333
2006	10.5270595550537
2007	9.20911979675293
2008	8.90449047088623
2009	9.0452995300293
2010	9.14133
2011	9.08227
2012	8.70851
2013	8.44662
2014	8.25877
2015	8.37648
2016	8.19655
2017	8.18698
2018	8.1885