| Value | Category | Cases | |
|---|---|---|---|
| 1 | Exam failure | 4 |
0.4%
|
| 2 | Form 6 | 3 |
0.3%
|
| 3 | Marriage. | 1 |
0.1%
|
| 4 | University. | 164 |
16.4%
|
| Sysmiss | 827 |