| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Cannot read at all | 252 |
8.2%
|
| 2 | 2. Can only read partially | 83 |
2.7%
|
| 3 | 3. Can read well | 2726 |
88.4%
|
| 4 | 4. Have sight problem/cannot speak | 24 |
0.8%
|
| 9 | 9. Missing | 0 |
0%
|