| Value | Category | Cases | |
|---|---|---|---|
| 1 | PRIMARY | 5 |
0.1%
|
| 2 | LOWER SECONDARY | 77 |
1.2%
|
| 3 | UPPER SECONDARY | 415 |
6.3%
|
| 4 | HIGHER | 137 |
2.1%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 5941 |
90.3%
|