| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Cannot read at all | 1538 |
10.8%
|
| 2 | 2. Can only read partially | 506 |
3.6%
|
| 3 | 3. Can read well | 11950 |
84%
|
| 4 | 4. Have sight problem/cannot speak | 236 |
1.7%
|
| 9 | 9. Missing | 1 |
0%
|