| Value | Category | Cases | |
|---|---|---|---|
| 0 | pre-primary | 52 |
1.4%
|
| 1 | primary | 3249 |
84.4%
|
| 2 | secondary lower | 375 |
9.7%
|
| 3 | secondary upper | 154 |
4%
|
| 4 | higher | 19 |
0.5%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 8387 |