| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, cannot read | 916 |
62.6%
|
| 2 | Refused to answer | 0 |
0%
|
| 3 | Yes, but with difficulty | 186 |
12.7%
|
| 4 | Yes, easily | 362 |
24.7%
|
| Sysmiss | 10 |