| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 34 |
3.6%
|
| 2 | Once or twice a month | 29 |
3.1%
|
| 3 | A few times a year | 53 |
5.6%
|
| 4 | Never | 829 |
87.7%
|
| Sysmiss | 55 |