| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 31 |
2.3%
|
| 2 | Primary | 316 |
23.4%
|
| 3 | Secondary | 707 |
52.3%
|
| 4 | Higher | 294 |
21.8%
|
| 9 | Missing/DK | 3 |
0.2%
|