Year	% of primary school age
1972	17.4670295715332
1973	11.937370300293
1974	7.73859977722168
1975	5.34366989135742
1976	4.72033023834229
1977	4.21617984771729
1978	3.40023994445801
1979	3.00893998146057
1980	2.7184898853302
1981	3.76739001274109
1982	4.00909996032715
1983	7.48400020599365
1984	8.88014984130859
1985	9.48163986206055
1999	10.1643800735474
2000	10.3530702590942
2002	10.981369972229
2003	11.1714897155762
2004	11.5353698730469
2005	12.1502304077148
2006	12.4778499603271
2007	19.1207103729248
2008	17.9108200073242
2010	15.580340385437
2011	14.6623401641846
2012	14.4750299453735
2013	10.2709302902222