| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 75 |
6.1%
|
| 2 | At least once a week | 160 |
13.1%
|
| 3 | Less than once a week | 227 |
18.5%
|
| 4 | Not at all | 468 |
38.2%
|
| 5 | Can not read | 296 |
24.1%
|
| Sysmiss | 4665 |