| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unable to read and write | 4317 |
34.3%
|
| 2 | Able to read only | 247 |
2%
|
| 3 | Able to write only | 454 |
3.6%
|
| 4 | Able to read and write | 7584 |
60.2%
|
| Sysmiss | 234 |