| Value | Category | Cases | |
|---|---|---|---|
| 0 | No formal | 1179 |
3.9%
|
| 1 | Standard 1-5 | 3335 |
10.9%
|
| 2 | Standard 6-8 | 9822 |
32.1%
|
| 3 | Secondary | 13232 |
43.3%
|
| 4 | Tertiary | 3007 |
9.8%
|