| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 35 |
0.1%
|
|
| 1 | Unable to read and write | 27759 |
41.3%
|
| 2 | Able to read only | 1650 |
2.5%
|
| 3 | Able to read and write | 37758 |
56.2%
|
| 4 | Uses Braille | 21 |
0%
|
| Sysmiss | 7203 |