| Value | Category | Cases | |
|---|---|---|---|
| 1 | PRIMARY | 39 |
1.2%
|
| 2 | LOWER SECONDARY | 263 |
8.2%
|
| 3 | UPPER SECONDARY | 1130 |
35.3%
|
| 4 | HIGHER | 661 |
20.7%
|
| Sysmiss | 1104 |
34.5%
|