| Value | Category | Cases | |
|---|---|---|---|
| 1 | Year 7/8 of primary school | 1405 |
30.8%
|
| 2 | Year 8/9 of a primary school | 1456 |
31.9%
|
| 3 | Year 1 of a secondary school | 1698 |
37.2%
|
| Sysmiss | 168 |