| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 138 |
14.1%
|
| 2 | Once or twice a month | 138 |
14.1%
|
| 3 | A few times a year | 194 |
19.8%
|
| 4 | Never | 511 |
52.1%
|
| Sysmiss | 19 |