| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, able to read only parts of sentence | 3706 |
12.2%
|
| 2 | Yes, able to read whole sentence | 9518 |
31.2%
|
| 3 | No, cannot read at all | 15577 |
51.1%
|
| 4 | Blind/visually impaired | 24 |
0.1%
|
| 5 | Not present | 1664 |
5.5%
|
| Sysmiss | 5819 |