| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 2167 |
44.8%
|
| 1 | Less than once a week | 1540 |
31.8%
|
| 2 | At least once a week | 1129 |
23.3%
|
| 3 | Almost every day | 0 |
0%
|
| 9 | 3 | ||
| Sysmiss | 43 |