| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 74 |
6.9%
|
| 1 | Primary | 601 |
55.6%
|
| 2 | Secondary | 377 |
34.9%
|
| 3 | Tertiary | 0 |
0%
|
| 4 | Higher | 28 |
2.6%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 64 |