| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. pre-primary | 37 |
15.5%
|
| 2 | 2. primary | 56 |
23.5%
|
| 3 | 3. high | 89 |
37.4%
|
| 4 | 4. primary | 19 |
8%
|
| 5 | 5. high | 37 |
15.5%
|
| Sysmiss | 3955 |