| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2057 |
9.8%
|
| 2 | Primary | 7016 |
33.4%
|
| 3 | Preparatory | 7078 |
33.7%
|
| 4 | Secondary and higher | 4821 |
23%
|
| 9 | Missing/DK | 11 |
0.1%
|