| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cannot read and write | 769 |
16.7%
|
| 2 | Can sign only | 936 |
20.3%
|
| 3 | Can read only | 64 |
1.4%
|
| 4 | Can read and write | 2841 |
61.6%
|
| Sysmiss | 384 |