| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 20 |
2.1%
|
| 1 | Primary | 400 |
41.4%
|
| 2 | Secondary | 485 |
50.2%
|
| 3 | Tertiary | 0 |
0%
|
| 4 | Higher | 62 |
6.4%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 177 |