| Value | Category | Cases | |
|---|---|---|---|
| 0 | Primary or less | 500 |
3.7%
|
| 1 | Secondary | 2164 |
16.2%
|
| 2 | Higher | 775 |
5.8%
|
| 5 | No information | 239 |
1.8%
|
| Sysmiss | 9713 |
72.5%
|