| Value | Category | Cases | |
|---|---|---|---|
| 0 | pre-primary | 0 |
0%
|
| 1 | primary | 20 |
87%
|
| 2 | secondary lower | 1 |
4.3%
|
| 3 | secondary upper | 1 |
4.3%
|
| 4 | higher | 1 |
4.3%
|
| 8 | dk | 0 |
0%
|
| Sysmiss | 12213 |