| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 0 |
0%
|
| 1 | Primary | 228 |
74.8%
|
| 2 | Secondary | 77 |
25.2%
|
| 3 | Tertiary | 0 |
0%
|
| 4 | Higher | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 7 |