| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 4868 |
46.4%
|
| 2 | Well | 4147 |
39.5%
|
| 3 | Can read but with difficulties | 1486 |
14.2%
|
| 9 | No answer | 0 |
0%
|
| Sysmiss | 4972 |