| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No education | 4 |
50%
|
| 1 | Primary | 2 |
25%
|
| 2 | Secondary | 2 |
25%
|
| 3 | Higher | 0 |
0%
|
| 9 | 2 | ||
| Sysmiss | 4472 |