Maximum level of education	3 to 5		6 to 10		11 to 15		16 to 20		21 to 25		26 and older
Maximum level of education	n	%	n	%	n	%	n	%	n	%	n	%
None	1131	70.20	1694	33.54	1539	25.53	1514	31.87	1330	38.14	32,532	41.96
Preschool	477	29.61	989	19.58	355	5.89	151	3.18	98	2.81	1508	1.94
Primary	0	1.92	2346	46.45	3141	52.11	1549	32.61	986	28.28	34,889	45.00
Secondary	0	0.00	19	0.38	986	16.36	1457	30.67	914	26.21	7179	9.26
University	0	0.00	0	0.00	7	0.12	79	1.66	159	4.56	1429	1.84
Total	1611	100	5051	100	6028	100	4750	100	3487	100	77,537	100