| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 5878 |
38.1%
|
| 1 | Less than once a week | 2349 |
15.2%
|
| 2 | At least once a week | 2949 |
19.1%
|
| 3 | Almost every day | 4249 |
27.5%
|
| 9 | Missing | 61 | |
| Sysmiss | 1236 |